File: _generated\6\RegexGenerator.g.cs
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Project: src\sdk\src\Cli\Microsoft.DotNet.Cli.Definitions\Microsoft.DotNet.Cli.Definitions.csproj (Microsoft.DotNet.Cli.Definitions)
// <auto-generated/>
#nullable enable
#pragma warning disable

namespace Microsoft.DotNet.Cli.Commands.Test
{
    partial class TestCommandDefinition
    {
        partial class MicrosoftTestingPlatform
        {
            /// <remarks>
            /// Pattern:<br/>
            /// <code>^(?&lt;value&gt;\d+(?:\.\d+)?)(?:\s*(?&lt;suffix&gt;ms|mils?|milliseconds?|s|secs?|seconds?|m|mins?|minutes?|h|hours?|d|days?))$</code><br/>
            /// Options:<br/>
            /// <code>RegexOptions.IgnoreCase | RegexOptions.CultureInvariant</code><br/>
            /// Explanation:<br/>
            /// <code>
            /// ○ Match if at the beginning of the string.<br/>
            /// ○ "value" capture group.<br/>
            ///     ○ Match a Unicode digit greedily at least once.<br/>
            ///     ○ Optional (greedy).<br/>
            ///         ○ Match '.'.<br/>
            ///         ○ Match a Unicode digit atomically at least once.<br/>
            /// ○ Match a whitespace character atomically any number of times.<br/>
            /// ○ "suffix" capture group.<br/>
            ///     ○ Match with 5 alternative expressions.<br/>
            ///         ○ Match a sequence of expressions.<br/>
            ///             ○ Match a character in the set [Mm].<br/>
            ///             ○ Match with 2 alternative expressions.<br/>
            ///                 ○ Match a character in the set [Ss].<br/>
            ///                 ○ Match a sequence of expressions.<br/>
            ///                     ○ Match a character in the set [Ii].<br/>
            ///                     ○ Match with 2 alternative expressions.<br/>
            ///                         ○ Match a sequence of expressions.<br/>
            ///                             ○ Match a character in the set [Ll].<br/>
            ///                             ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///                         ○ Match a sequence of expressions.<br/>
            ///                             ○ Match a character in the set [Ll] exactly 2 times.<br/>
            ///                             ○ Match a character in the set [Ii].<br/>
            ///                             ○ Match a character in the set [Ss].<br/>
            ///                             ○ Match a character in the set [Ee].<br/>
            ///                             ○ Match a character in the set [Cc].<br/>
            ///                             ○ Match a character in the set [Oo].<br/>
            ///                             ○ Match a character in the set [Nn].<br/>
            ///                             ○ Match a character in the set [Dd].<br/>
            ///                             ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///         ○ Match a sequence of expressions.<br/>
            ///             ○ Match a character in the set [Ss].<br/>
            ///             ○ Optional (lazy).<br/>
            ///                 ○ Match a character in the set [Ee].<br/>
            ///                 ○ Match a character in the set [Cc].<br/>
            ///                 ○ Match with 2 alternative expressions.<br/>
            ///                     ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///                     ○ Match a sequence of expressions.<br/>
            ///                         ○ Match a character in the set [Oo].<br/>
            ///                         ○ Match a character in the set [Nn].<br/>
            ///                         ○ Match a character in the set [Dd].<br/>
            ///                         ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///         ○ Match a sequence of expressions.<br/>
            ///             ○ Match a character in the set [Mm].<br/>
            ///             ○ Optional (lazy).<br/>
            ///                 ○ Match a character in the set [Ii].<br/>
            ///                 ○ Match a character in the set [Nn].<br/>
            ///                 ○ Match with 2 alternative expressions.<br/>
            ///                     ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///                     ○ Match a sequence of expressions.<br/>
            ///                         ○ Match a character in the set [Uu].<br/>
            ///                         ○ Match a character in the set [Tt].<br/>
            ///                         ○ Match a character in the set [Ee].<br/>
            ///                         ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///         ○ Match a sequence of expressions.<br/>
            ///             ○ Match a character in the set [Hh].<br/>
            ///             ○ Optional (lazy).<br/>
            ///                 ○ Match a character in the set [Oo].<br/>
            ///                 ○ Match a character in the set [Uu].<br/>
            ///                 ○ Match a character in the set [Rr].<br/>
            ///                 ○ Match a character in the set [Ss] atomically, optionally.<br/>
            ///         ○ Match a sequence of expressions.<br/>
            ///             ○ Match a character in the set [Dd].<br/>
            ///             ○ Optional (lazy).<br/>
            ///                 ○ Match a character in the set [Aa].<br/>
            ///                 ○ Match a character in the set [Yy].<br/>
            ///                 ○ Match a character in the set [Ss] atomically, optionally.<br/>
            /// ○ Match if at the end of the string or if before an ending newline.<br/>
            /// </code>
            /// </remarks>
            [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "11.0.14.38023")]
            private static partial global::System.Text.RegularExpressions.Regex TimeoutPattern() => global::System.Text.RegularExpressions.Generated.TimeoutPattern_0.Instance;
        }
    }
}

namespace System.Text.RegularExpressions.Generated
{
    using System;
    using System.Buffers;
    using System.CodeDom.Compiler;
    using System.Collections;
    using System.ComponentModel;
    using System.Globalization;
    using System.Runtime.CompilerServices;
    using System.Text.RegularExpressions;
    using System.Threading;

    /// <summary>Custom <see cref="Regex"/>-derived type for the TimeoutPattern method.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "11.0.14.38023")]
    file sealed class TimeoutPattern_0 : Regex
    {
        /// <summary>Cached, thread-safe singleton instance.</summary>
        internal static readonly TimeoutPattern_0 Instance = new();
    
        /// <summary>Initializes the instance.</summary>
        private TimeoutPattern_0()
        {
            base.pattern = "^(?<value>\\d+(?:\\.\\d+)?)(?:\\s*(?<suffix>ms|mils?|milliseconds?|s|secs?|seconds?|m|mins?|minutes?|h|hours?|d|days?))$";
            base.roptions = RegexOptions.IgnoreCase | RegexOptions.CultureInvariant;
            ValidateMatchTimeout(Utilities.s_defaultTimeout);
            base.internalMatchTimeout = Utilities.s_defaultTimeout;
            base.factory = new RunnerFactory();
            base.CapNames = new Hashtable { { "0", 0 } ,  { "suffix", 2 } ,  { "value", 1 }  };
            base.capslist = new string[] {"0", "value", "suffix" };
            base.capsize = 3;
        }
            
        /// <summary>Provides a factory for creating <see cref="RegexRunner"/> instances to be used by methods on <see cref="Regex"/>.</summary>
        private sealed class RunnerFactory : RegexRunnerFactory
        {
            /// <summary>Creates an instance of a <see cref="RegexRunner"/> used by methods on <see cref="Regex"/>.</summary>
            protected override RegexRunner CreateInstance() => new Runner();
        
            /// <summary>Provides the runner that contains the custom logic implementing the specified regular expression.</summary>
            private sealed class Runner : RegexRunner
            {
                /// <summary>Scan the <paramref name="inputSpan"/> starting from base.runtextstart for the next match.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                protected override void Scan(ReadOnlySpan<char> inputSpan)
                {
                    // The pattern is anchored.  Validate the current position and try to match at it only.
                    if (TryFindNextPossibleStartingPosition(inputSpan) && !TryMatchAtCurrentPosition(inputSpan))
                    {
                        base.runtextpos = inputSpan.Length;
                    }
                }
        
                /// <summary>Search <paramref name="inputSpan"/> starting from base.runtextpos for the next location a match could possibly start.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if a possible match was found; false if no more matches are possible.</returns>
                private bool TryFindNextPossibleStartingPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    
                    // Any possible match is at least 2 characters.
                    if (pos <= inputSpan.Length - 2)
                    {
                        // The pattern leads with a beginning (\A) anchor.
                        if (pos == 0)
                        {
                            return true;
                        }
                    }
                    
                    // No match found.
                    base.runtextpos = inputSpan.Length;
                    return false;
                }
        
                /// <summary>Determine whether <paramref name="inputSpan"/> at base.runtextpos is a match for the regular expression.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if the regular expression matches at the current position; otherwise, false.</returns>
                private bool TryMatchAtCurrentPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    int matchStart = pos;
                    int alternation_branch = 0;
                    int alternation_branch1 = 0;
                    int alternation_branch2 = 0;
                    int alternation_starting_capturepos = 0;
                    int alternation_starting_capturepos1 = 0;
                    int alternation_starting_capturepos2 = 0;
                    int alternation_starting_pos = 0;
                    int alternation_starting_pos1 = 0;
                    int alternation_starting_pos2 = 0;
                    int capture_starting_pos = 0;
                    int capture_starting_pos1 = 0;
                    int charloop_capture_pos = 0;
                    int charloop_starting_pos = 0, charloop_ending_pos = 0;
                    int lazyloop_iteration = 0;
                    int lazyloop_iteration1 = 0;
                    int lazyloop_iteration2 = 0;
                    int lazyloop_iteration3 = 0;
                    int loop_iteration = 0;
                    int stackpos = 0;
                    ReadOnlySpan<char> slice = inputSpan.Slice(pos);
                    
                    // Match if at the beginning of the string.
                    if (pos != 0)
                    {
                        UncaptureUntil(0);
                        return false; // The input didn't match.
                    }
                    
                    // "value" capture group.
                    //{
                        capture_starting_pos = pos;
                        
                        // Match a Unicode digit greedily at least once.
                        //{
                            charloop_starting_pos = pos;
                            
                            int iteration = 0;
                            while ((uint)iteration < (uint)slice.Length && char.IsDigit(slice[iteration]))
                            {
                                iteration++;
                            }
                            
                            if (iteration == 0)
                            {
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            
                            slice = slice.Slice(iteration);
                            pos += iteration;
                            
                            charloop_ending_pos = pos;
                            charloop_starting_pos++;
                            goto CharLoopEnd;
                            
                            CharLoopBacktrack:
                            UncaptureUntil(charloop_capture_pos);
                            
                            if (Utilities.s_hasTimeout)
                            {
                                base.CheckTimeout();
                            }
                            
                            if (charloop_starting_pos >= charloop_ending_pos)
                            {
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            pos = --charloop_ending_pos;
                            slice = inputSpan.Slice(pos);
                            
                            CharLoopEnd:
                            charloop_capture_pos = base.Crawlpos();
                        //}
                        
                        // Optional (greedy).
                        //{
                            loop_iteration = 0;
                            
                            LoopBody:
                            Utilities.StackPush(ref base.runstack!, ref stackpos, base.Crawlpos(), pos);
                            
                            loop_iteration++;
                            
                            // Match '.'.
                            if (slice.IsEmpty || slice[0] != '.')
                            {
                                goto LoopIterationNoMatch;
                            }
                            
                            // Match a Unicode digit atomically at least once.
                            {
                                pos++;
                                slice = inputSpan.Slice(pos);
                                int iteration1 = 0;
                                while ((uint)iteration1 < (uint)slice.Length && char.IsDigit(slice[iteration1]))
                                {
                                    iteration1++;
                                }
                                
                                if (iteration1 == 0)
                                {
                                    goto LoopIterationNoMatch;
                                }
                                
                                slice = slice.Slice(iteration1);
                                pos += iteration1;
                            }
                            
                            
                            // The loop has an upper bound of 1. Continue iterating greedily if it hasn't yet been reached.
                            if (loop_iteration == 0)
                            {
                                goto LoopBody;
                            }
                            goto LoopEnd;
                            
                            // The loop iteration failed. Put state back to the way it was before the iteration.
                            LoopIterationNoMatch:
                            if (--loop_iteration < 0)
                            {
                                // Unable to match the remainder of the expression after exhausting the loop.
                                goto CharLoopBacktrack;
                            }
                            pos = base.runstack![--stackpos];
                            UncaptureUntil(base.runstack![--stackpos]);
                            slice = inputSpan.Slice(pos);
                            LoopEnd:;
                        //}
                        
                        base.Capture(1, capture_starting_pos, pos);
                        
                        goto CaptureSkipBacktrack;
                        
                        CaptureBacktrack:
                        goto LoopIterationNoMatch;
                        
                        CaptureSkipBacktrack:;
                    //}
                    
                    // Match a whitespace character atomically any number of times.
                    {
                        int iteration2 = 0;
                        while ((uint)iteration2 < (uint)slice.Length && char.IsWhiteSpace(slice[iteration2]))
                        {
                            iteration2++;
                        }
                        
                        slice = slice.Slice(iteration2);
                        pos += iteration2;
                    }
                    
                    // "suffix" capture group.
                    //{
                        capture_starting_pos1 = pos;
                        
                        // Match with 5 alternative expressions.
                        //{
                            alternation_starting_pos = pos;
                            alternation_starting_capturepos = base.Crawlpos();
                            
                            // Branch 0
                            //{
                                // Match a character in the set [Mm].
                                if (slice.IsEmpty || ((slice[0] | 0x20) != 'm'))
                                {
                                    goto AlternationBranch;
                                }
                                
                                // Match with 2 alternative expressions.
                                //{
                                    alternation_starting_pos1 = pos;
                                    alternation_starting_capturepos1 = base.Crawlpos();
                                    
                                    // Branch 0
                                    //{
                                        // Match a character in the set [Ss].
                                        if ((uint)slice.Length < 2 || ((slice[1] | 0x20) != 's'))
                                        {
                                            goto AlternationBranch1;
                                        }
                                        
                                        alternation_branch1 = 0;
                                        pos += 2;
                                        slice = inputSpan.Slice(pos);
                                        goto AlternationMatch1;
                                        
                                        AlternationBranch1:
                                        pos = alternation_starting_pos1;
                                        slice = inputSpan.Slice(pos);
                                        UncaptureUntil(alternation_starting_capturepos1);
                                    //}
                                    
                                    // Branch 1
                                    //{
                                        // Match a character in the set [Ii].
                                        if ((uint)slice.Length < 2 || ((slice[1] | 0x20) != 'i'))
                                        {
                                            goto AlternationBranch;
                                        }
                                        
                                        // Match with 2 alternative expressions.
                                        //{
                                            alternation_starting_pos2 = pos;
                                            alternation_starting_capturepos2 = base.Crawlpos();
                                            
                                            // Branch 0
                                            //{
                                                // Match a character in the set [Ll].
                                                if ((uint)slice.Length < 3 || ((slice[2] | 0x20) != 'l'))
                                                {
                                                    goto AlternationBranch2;
                                                }
                                                
                                                // Match a character in the set [Ss] atomically, optionally.
                                                {
                                                    if ((uint)slice.Length > (uint)3 && ((slice[3] | 0x20) == 's'))
                                                    {
                                                        slice = slice.Slice(1);
                                                        pos++;
                                                    }
                                                }
                                                
                                                alternation_branch2 = 0;
                                                pos += 3;
                                                slice = inputSpan.Slice(pos);
                                                goto AlternationMatch2;
                                                
                                                AlternationBranch2:
                                                pos = alternation_starting_pos2;
                                                slice = inputSpan.Slice(pos);
                                                UncaptureUntil(alternation_starting_capturepos2);
                                            //}
                                            
                                            // Branch 1
                                            //{
                                                if ((uint)slice.Length < 11 ||
                                                    !slice.Slice(2).StartsWith("llisecond", StringComparison.OrdinalIgnoreCase)) // Match the string "llisecond" (ordinal case-insensitive)
                                                {
                                                    goto AlternationBranch;
                                                }
                                                
                                                // Match a character in the set [Ss] atomically, optionally.
                                                {
                                                    if ((uint)slice.Length > (uint)11 && ((slice[11] | 0x20) == 's'))
                                                    {
                                                        slice = slice.Slice(1);
                                                        pos++;
                                                    }
                                                }
                                                
                                                alternation_branch2 = 1;
                                                pos += 11;
                                                slice = inputSpan.Slice(pos);
                                                goto AlternationMatch2;
                                            //}
                                            
                                            AlternationBacktrack2:
                                            if (Utilities.s_hasTimeout)
                                            {
                                                base.CheckTimeout();
                                            }
                                            
                                            switch (alternation_branch2)
                                            {
                                                case 0:
                                                    goto AlternationBranch2;
                                                case 1:
                                                    goto AlternationBranch;
                                            }
                                            
                                            AlternationMatch2:;
                                        //}
                                        
                                        alternation_branch1 = 1;
                                        goto AlternationMatch1;
                                    //}
                                    
                                    AlternationBacktrack1:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    switch (alternation_branch1)
                                    {
                                        case 0:
                                            goto AlternationBranch1;
                                        case 1:
                                            goto AlternationBacktrack2;
                                    }
                                    
                                    AlternationMatch1:;
                                //}
                                
                                alternation_branch = 0;
                                goto AlternationMatch;
                                
                                AlternationBranch:
                                pos = alternation_starting_pos;
                                slice = inputSpan.Slice(pos);
                                UncaptureUntil(alternation_starting_capturepos);
                            //}
                            
                            // Branch 1
                            //{
                                // Match a character in the set [Ss].
                                if (slice.IsEmpty || ((slice[0] | 0x20) != 's'))
                                {
                                    goto AlternationBranch3;
                                }
                                
                                // Optional (lazy).
                                //{
                                    pos++;
                                    slice = inputSpan.Slice(pos);
                                    lazyloop_iteration = 0;
                                    goto LazyLoopEnd;
                                    
                                    LazyLoopBody:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    lazyloop_iteration++;
                                    
                                    if ((uint)slice.Length < 2 ||
                                        !slice.StartsWith("ec", StringComparison.OrdinalIgnoreCase)) // Match the string "ec" (ordinal case-insensitive)
                                    {
                                        goto LazyLoopIterationNoMatch;
                                    }
                                    
                                    // Match with 2 alternative expressions.
                                    //{
                                        int alternation_starting_pos3 = pos;
                                        int alternation_starting_capturepos3 = base.Crawlpos();
                                        
                                        // Branch 0
                                        //{
                                            // Match a character in the set [Ss] atomically, optionally.
                                            {
                                                if ((uint)slice.Length > (uint)2 && ((slice[2] | 0x20) == 's'))
                                                {
                                                    slice = slice.Slice(1);
                                                    pos++;
                                                }
                                            }
                                            
                                            Utilities.StackPush(ref base.runstack!, ref stackpos, 0, alternation_starting_pos3, alternation_starting_capturepos3);
                                            pos += 2;
                                            slice = inputSpan.Slice(pos);
                                            goto AlternationMatch3;
                                            
                                            AlternationBranch4:
                                            pos = alternation_starting_pos3;
                                            slice = inputSpan.Slice(pos);
                                            UncaptureUntil(alternation_starting_capturepos3);
                                        //}
                                        
                                        // Branch 1
                                        //{
                                            if ((uint)slice.Length < 5 ||
                                                !slice.Slice(2).StartsWith("ond", StringComparison.OrdinalIgnoreCase)) // Match the string "ond" (ordinal case-insensitive)
                                            {
                                                goto LazyLoopIterationNoMatch;
                                            }
                                            
                                            // Match a character in the set [Ss] atomically, optionally.
                                            {
                                                if ((uint)slice.Length > (uint)5 && ((slice[5] | 0x20) == 's'))
                                                {
                                                    slice = slice.Slice(1);
                                                    pos++;
                                                }
                                            }
                                            
                                            Utilities.StackPush(ref base.runstack!, ref stackpos, 1, alternation_starting_pos3, alternation_starting_capturepos3);
                                            pos += 5;
                                            slice = inputSpan.Slice(pos);
                                            goto AlternationMatch3;
                                        //}
                                        
                                        AlternationBacktrack3:
                                        if (Utilities.s_hasTimeout)
                                        {
                                            base.CheckTimeout();
                                        }
                                        
                                        Utilities.StackPop(base.runstack!, ref stackpos, out alternation_starting_capturepos3, out alternation_starting_pos3);
                                        switch (base.runstack![--stackpos])
                                        {
                                            case 0:
                                                goto AlternationBranch4;
                                            case 1:
                                                goto LazyLoopIterationNoMatch;
                                        }
                                        
                                        AlternationMatch3:;
                                    //}
                                    
                                    goto LazyLoopEnd;
                                    
                                    // The lazy loop iteration failed to match.
                                    LazyLoopIterationNoMatch:
                                    lazyloop_iteration--;
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    if (lazyloop_iteration > 0)
                                    {
                                        // The lazy loop matched at least one iteration; backtrack into the last one.
                                        goto AlternationBacktrack3;
                                    }
                                    
                                    goto AlternationBranch3;
                                    
                                    LazyLoopEnd:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    goto LazyLoopSkipBacktrack;
                                    
                                    LazyLoopBacktrack:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    
                                    // If the upper bound 1 has already been reached,
                                    // don't continue lazily iterating. Instead, backtrack.
                                    if (lazyloop_iteration != 0)
                                    {
                                        goto AlternationBacktrack3;
                                    }
                                    goto LazyLoopBody;
                                    
                                    LazyLoopSkipBacktrack:;
                                //}
                                
                                alternation_branch = 1;
                                goto AlternationMatch;
                                
                                AlternationBranch3:
                                pos = alternation_starting_pos;
                                slice = inputSpan.Slice(pos);
                                UncaptureUntil(alternation_starting_capturepos);
                            //}
                            
                            // Branch 2
                            //{
                                // Match a character in the set [Mm].
                                if (slice.IsEmpty || ((slice[0] | 0x20) != 'm'))
                                {
                                    goto AlternationBranch5;
                                }
                                
                                // Optional (lazy).
                                //{
                                    pos++;
                                    slice = inputSpan.Slice(pos);
                                    lazyloop_iteration1 = 0;
                                    goto LazyLoopEnd1;
                                    
                                    LazyLoopBody1:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    lazyloop_iteration1++;
                                    
                                    if ((uint)slice.Length < 2 ||
                                        !slice.StartsWith("in", StringComparison.OrdinalIgnoreCase)) // Match the string "in" (ordinal case-insensitive)
                                    {
                                        goto LazyLoopIterationNoMatch1;
                                    }
                                    
                                    // Match with 2 alternative expressions.
                                    //{
                                        int alternation_starting_pos4 = pos;
                                        int alternation_starting_capturepos4 = base.Crawlpos();
                                        
                                        // Branch 0
                                        //{
                                            // Match a character in the set [Ss] atomically, optionally.
                                            {
                                                if ((uint)slice.Length > (uint)2 && ((slice[2] | 0x20) == 's'))
                                                {
                                                    slice = slice.Slice(1);
                                                    pos++;
                                                }
                                            }
                                            
                                            Utilities.StackPush(ref base.runstack!, ref stackpos, 0, alternation_starting_pos4, alternation_starting_capturepos4);
                                            pos += 2;
                                            slice = inputSpan.Slice(pos);
                                            goto AlternationMatch4;
                                            
                                            AlternationBranch6:
                                            pos = alternation_starting_pos4;
                                            slice = inputSpan.Slice(pos);
                                            UncaptureUntil(alternation_starting_capturepos4);
                                        //}
                                        
                                        // Branch 1
                                        //{
                                            if ((uint)slice.Length < 5 ||
                                                !slice.Slice(2).StartsWith("ute", StringComparison.OrdinalIgnoreCase)) // Match the string "ute" (ordinal case-insensitive)
                                            {
                                                goto LazyLoopIterationNoMatch1;
                                            }
                                            
                                            // Match a character in the set [Ss] atomically, optionally.
                                            {
                                                if ((uint)slice.Length > (uint)5 && ((slice[5] | 0x20) == 's'))
                                                {
                                                    slice = slice.Slice(1);
                                                    pos++;
                                                }
                                            }
                                            
                                            Utilities.StackPush(ref base.runstack!, ref stackpos, 1, alternation_starting_pos4, alternation_starting_capturepos4);
                                            pos += 5;
                                            slice = inputSpan.Slice(pos);
                                            goto AlternationMatch4;
                                        //}
                                        
                                        AlternationBacktrack4:
                                        if (Utilities.s_hasTimeout)
                                        {
                                            base.CheckTimeout();
                                        }
                                        
                                        Utilities.StackPop(base.runstack!, ref stackpos, out alternation_starting_capturepos4, out alternation_starting_pos4);
                                        switch (base.runstack![--stackpos])
                                        {
                                            case 0:
                                                goto AlternationBranch6;
                                            case 1:
                                                goto LazyLoopIterationNoMatch1;
                                        }
                                        
                                        AlternationMatch4:;
                                    //}
                                    
                                    goto LazyLoopEnd1;
                                    
                                    // The lazy loop iteration failed to match.
                                    LazyLoopIterationNoMatch1:
                                    lazyloop_iteration1--;
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    if (lazyloop_iteration1 > 0)
                                    {
                                        // The lazy loop matched at least one iteration; backtrack into the last one.
                                        goto AlternationBacktrack4;
                                    }
                                    
                                    goto AlternationBranch5;
                                    
                                    LazyLoopEnd1:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    goto LazyLoopSkipBacktrack1;
                                    
                                    LazyLoopBacktrack1:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    
                                    // If the upper bound 1 has already been reached,
                                    // don't continue lazily iterating. Instead, backtrack.
                                    if (lazyloop_iteration1 != 0)
                                    {
                                        goto AlternationBacktrack4;
                                    }
                                    goto LazyLoopBody1;
                                    
                                    LazyLoopSkipBacktrack1:;
                                //}
                                
                                alternation_branch = 2;
                                goto AlternationMatch;
                                
                                AlternationBranch5:
                                pos = alternation_starting_pos;
                                slice = inputSpan.Slice(pos);
                                UncaptureUntil(alternation_starting_capturepos);
                            //}
                            
                            // Branch 3
                            //{
                                // Match a character in the set [Hh].
                                if (slice.IsEmpty || ((slice[0] | 0x20) != 'h'))
                                {
                                    goto AlternationBranch7;
                                }
                                
                                // Optional (lazy).
                                //{
                                    pos++;
                                    slice = inputSpan.Slice(pos);
                                    lazyloop_iteration2 = 0;
                                    goto LazyLoopEnd2;
                                    
                                    LazyLoopBody2:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    lazyloop_iteration2++;
                                    
                                    if ((uint)slice.Length < 3 ||
                                        !slice.StartsWith("our", StringComparison.OrdinalIgnoreCase)) // Match the string "our" (ordinal case-insensitive)
                                    {
                                        goto LazyLoopIterationNoMatch2;
                                    }
                                    
                                    // Match a character in the set [Ss] atomically, optionally.
                                    {
                                        if ((uint)slice.Length > (uint)3 && ((slice[3] | 0x20) == 's'))
                                        {
                                            slice = slice.Slice(1);
                                            pos++;
                                        }
                                    }
                                    
                                    pos += 3;
                                    slice = inputSpan.Slice(pos);
                                    goto LazyLoopEnd2;
                                    
                                    // The lazy loop iteration failed to match.
                                    LazyLoopIterationNoMatch2:
                                    lazyloop_iteration2--;
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    stackpos -= lazyloop_iteration2 * 2;
                                    goto AlternationBranch7;
                                    
                                    LazyLoopEnd2:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    goto LazyLoopSkipBacktrack2;
                                    
                                    LazyLoopBacktrack2:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    
                                    // If the upper bound 1 has already been reached,
                                    // don't continue lazily iterating. Instead, backtrack.
                                    if (lazyloop_iteration2 != 0)
                                    {
                                        stackpos -= lazyloop_iteration2 * 2;
                                        goto AlternationBranch7;
                                    }
                                    goto LazyLoopBody2;
                                    
                                    LazyLoopSkipBacktrack2:;
                                //}
                                
                                alternation_branch = 3;
                                goto AlternationMatch;
                                
                                AlternationBranch7:
                                pos = alternation_starting_pos;
                                slice = inputSpan.Slice(pos);
                                UncaptureUntil(alternation_starting_capturepos);
                            //}
                            
                            // Branch 4
                            //{
                                // Match a character in the set [Dd].
                                if (slice.IsEmpty || ((slice[0] | 0x20) != 'd'))
                                {
                                    goto CaptureBacktrack;
                                }
                                
                                // Optional (lazy).
                                //{
                                    pos++;
                                    slice = inputSpan.Slice(pos);
                                    lazyloop_iteration3 = 0;
                                    goto LazyLoopEnd3;
                                    
                                    LazyLoopBody3:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    lazyloop_iteration3++;
                                    
                                    if ((uint)slice.Length < 2 ||
                                        !slice.StartsWith("ay", StringComparison.OrdinalIgnoreCase)) // Match the string "ay" (ordinal case-insensitive)
                                    {
                                        goto LazyLoopIterationNoMatch3;
                                    }
                                    
                                    // Match a character in the set [Ss] atomically, optionally.
                                    {
                                        if ((uint)slice.Length > (uint)2 && ((slice[2] | 0x20) == 's'))
                                        {
                                            slice = slice.Slice(1);
                                            pos++;
                                        }
                                    }
                                    
                                    pos += 2;
                                    slice = inputSpan.Slice(pos);
                                    goto LazyLoopEnd3;
                                    
                                    // The lazy loop iteration failed to match.
                                    LazyLoopIterationNoMatch3:
                                    lazyloop_iteration3--;
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    stackpos -= lazyloop_iteration3 * 2;
                                    goto CaptureBacktrack;
                                    
                                    LazyLoopEnd3:
                                    Utilities.StackPush(ref base.runstack!, ref stackpos, pos, base.Crawlpos());
                                    goto LazyLoopSkipBacktrack3;
                                    
                                    LazyLoopBacktrack3:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    UncaptureUntil(base.runstack![--stackpos]);
                                    pos = base.runstack![--stackpos];
                                    slice = inputSpan.Slice(pos);
                                    
                                    // If the upper bound 1 has already been reached,
                                    // don't continue lazily iterating. Instead, backtrack.
                                    if (lazyloop_iteration3 != 0)
                                    {
                                        stackpos -= lazyloop_iteration3 * 2;
                                        goto CaptureBacktrack;
                                    }
                                    goto LazyLoopBody3;
                                    
                                    LazyLoopSkipBacktrack3:;
                                //}
                                
                                alternation_branch = 4;
                                goto AlternationMatch;
                            //}
                            
                            AlternationBacktrack:
                            if (Utilities.s_hasTimeout)
                            {
                                base.CheckTimeout();
                            }
                            
                            switch (alternation_branch)
                            {
                                case 0:
                                    goto AlternationBacktrack1;
                                case 1:
                                    goto LazyLoopBacktrack;
                                case 2:
                                    goto LazyLoopBacktrack1;
                                case 3:
                                    goto LazyLoopBacktrack2;
                                case 4:
                                    goto LazyLoopBacktrack3;
                            }
                            
                            AlternationMatch:;
                        //}
                        
                        base.Capture(2, capture_starting_pos1, pos);
                        
                        goto CaptureSkipBacktrack1;
                        
                        CaptureBacktrack1:
                        goto AlternationBacktrack;
                        
                        CaptureSkipBacktrack1:;
                    //}
                    
                    // Match if at the end of the string or if before an ending newline.
                    if (pos < inputSpan.Length - 1 || ((uint)pos < (uint)inputSpan.Length && inputSpan[pos] != '\n'))
                    {
                        goto CaptureBacktrack1;
                    }
                    
                    // The input matched.
                    base.runtextpos = pos;
                    base.Capture(0, matchStart, pos);
                    return true;
                    
                    // <summary>Undo captures until it reaches the specified capture position.</summary>
                    [MethodImpl(MethodImplOptions.AggressiveInlining)]
                    void UncaptureUntil(int capturePosition)
                    {
                        while (base.Crawlpos() > capturePosition)
                        {
                            base.Uncapture();
                        }
                    }
                }
            }
        }

    }
    
    /// <summary>Helper methods used by generated <see cref="Regex"/>-derived implementations.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "11.0.14.38023")]
    file static class Utilities
    {
        /// <summary>Default timeout value set in <see cref="AppContext"/>, or <see cref="Regex.InfiniteMatchTimeout"/> if none was set.</summary>
        internal static readonly TimeSpan s_defaultTimeout = AppContext.GetData("REGEX_DEFAULT_MATCH_TIMEOUT") is TimeSpan timeout ? timeout : Regex.InfiniteMatchTimeout;
        
        /// <summary>Whether <see cref="s_defaultTimeout"/> is non-infinite.</summary>
        internal static readonly bool s_hasTimeout = s_defaultTimeout != Regex.InfiniteMatchTimeout;
        
        /// <summary>Pops 2 values from the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPop(int[] stack, ref int pos, out int arg0, out int arg1)
        {
            arg0 = stack[--pos];
            arg1 = stack[--pos];
        }
        
        /// <summary>Pushes 2 values onto the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPush(ref int[] stack, ref int pos, int arg0, int arg1)
        {
            // If there's space available for all 2 values, store them.
            int[] s = stack;
            int p = pos;
            if ((uint)(p + 1) < (uint)s.Length)
            {
                s[p] = arg0;
                s[p + 1] = arg1;
                pos += 2;
                return;
            }
        
            // Otherwise, resize the stack to make room and try again.
            WithResize(ref stack, ref pos, arg0, arg1);
        
            // <summary>Resize the backtracking stack array and push 2 values onto the stack.</summary>
            [MethodImpl(MethodImplOptions.NoInlining)]
            static void WithResize(ref int[] stack, ref int pos, int arg0, int arg1)
            {
                Array.Resize(ref stack, (pos + 1) * 2);
                StackPush(ref stack, ref pos, arg0, arg1);
            }
        }
        
        /// <summary>Pushes 3 values onto the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPush(ref int[] stack, ref int pos, int arg0, int arg1, int arg2)
        {
            // If there's space available for all 3 values, store them.
            int[] s = stack;
            int p = pos;
            if ((uint)(p + 2) < (uint)s.Length)
            {
                s[p] = arg0;
                s[p + 1] = arg1;
                s[p + 2] = arg2;
                pos += 3;
                return;
            }
        
            // Otherwise, resize the stack to make room and try again.
            WithResize(ref stack, ref pos, arg0, arg1, arg2);
        
            // <summary>Resize the backtracking stack array and push 3 values onto the stack.</summary>
            [MethodImpl(MethodImplOptions.NoInlining)]
            static void WithResize(ref int[] stack, ref int pos, int arg0, int arg1, int arg2)
            {
                Array.Resize(ref stack, (pos + 2) * 2);
                StackPush(ref stack, ref pos, arg0, arg1, arg2);
            }
        }
    }
}