1455var level = new RegexCharClass(IsNegated(charClass, pos), ranges, categoriesBuilder, subtraction: null);

1137prevCharClass = new RegexCharClass();

562RegexCharClass? charClass = scanOnly ? null : new RegexCharClass(); 736charClass = new RegexCharClass(); 767charClass = new RegexCharClass(); 1178var cc = new RegexCharClass();

957cc ??= new RegexCharClass(); 966cc ??= new RegexCharClass(); 1003cc ??= new RegexCharClass();

640if (!RegexCharClass.CharInClass((char)i, set)) 649RegexCharClass.DigitClass => "IndexOfAnyDigit", 650RegexCharClass.ControlClass => "IndexOfAnyControl", 651RegexCharClass.LetterClass => "IndexOfAnyLetter", 652RegexCharClass.LetterOrDigitClass => "IndexOfAnyLetterOrDigit", 653RegexCharClass.LowerClass => "IndexOfAnyLower", 654RegexCharClass.NumberClass => "IndexOfAnyNumber", 655RegexCharClass.PunctuationClass => "IndexOfAnyPunctuation", 656RegexCharClass.SeparatorClass => "IndexOfAnySeparator", 657RegexCharClass.SpaceClass => "IndexOfAnyWhiteSpace", 658RegexCharClass.SymbolClass => "IndexOfAnySymbol", 659RegexCharClass.UpperClass => "IndexOfAnyUpper", 660RegexCharClass.WordClass => "IndexOfAnyWordChar", 662RegexCharClass.NotDigitClass => "IndexOfAnyExceptDigit", 663RegexCharClass.NotControlClass => "IndexOfAnyExceptControl", 664RegexCharClass.NotLetterClass => "IndexOfAnyExceptLetter", 665RegexCharClass.NotLetterOrDigitClass => "IndexOfAnyExceptLetterOrDigit", 666RegexCharClass.NotLowerClass => "IndexOfAnyExceptLower", 667RegexCharClass.NotNumberClass => "IndexOfAnyExceptNumber", 668RegexCharClass.NotPunctuationClass => "IndexOfAnyExceptPunctuation", 669RegexCharClass.NotSeparatorClass => "IndexOfAnyExceptSeparator", 670RegexCharClass.NotSpaceClass => "IndexOfAnyExceptWhiteSpace", 671RegexCharClass.NotSymbolClass => "IndexOfAnyExceptSymbol", 672RegexCharClass.NotUpperClass => "IndexOfAnyExceptUpper", 673RegexCharClass.NotWordClass => "IndexOfAnyExceptWordChar", 682if (RegexCharClass.TryGetOnlyCategories(set, categories, out int numCategories, out bool negatedCategory)) 1296primarySet.Set != RegexCharClass.NotNewLineClass && 1297primarySet.Set != RegexCharClass.AnyClass; 1362else if (RegexCharClass.IsUnicodeCategoryOfSmallCharCount(primarySet.Set, out char[]? setChars, out bool negated, out string? description)) 1894int numChars = RegexCharClass.GetSetChars(startingLiteralNode.Str!, setChars); 3706node.Str == RegexCharClass.AnyClass && 4115else if (node.IsSetFamily && node.Str == RegexCharClass.AnyClass) 4230if (node.IsSetFamily && maxIterations == int.MaxValue && node.Str == RegexCharClass.AnyClass) 4253else if (node.IsSetFamily && maxIterations == int.MaxValue && node.Str == RegexCharClass.AnyClass) 5040bool negated = RegexCharClass.IsNegated(node.Str) ^ negate; 5044if (RegexCharClass.TryGetSingleRange(node.Str, out char lowInclusive, out char highInclusive) && 5059setChars = setChars.Slice(0, RegexCharClass.GetSetChars(node.Str, setChars)); 5098case RegexCharClass.AnyClass: 5101case RegexCharClass.DigitClass: 5102case RegexCharClass.NotDigitClass: 5103negate ^= charClass == RegexCharClass.NotDigitClass; 5106case RegexCharClass.SpaceClass: 5107case RegexCharClass.NotSpaceClass: 5108negate ^= charClass == RegexCharClass.NotSpaceClass; 5111case RegexCharClass.WordClass: 5112case RegexCharClass.NotWordClass: 5114negate ^= charClass == RegexCharClass.NotWordClass; 5117case RegexCharClass.ControlClass: 5118case RegexCharClass.NotControlClass: 5119negate ^= charClass == RegexCharClass.NotControlClass; 5122case RegexCharClass.LetterClass: 5123case RegexCharClass.NotLetterClass: 5124negate ^= charClass == RegexCharClass.NotLetterClass; 5127case RegexCharClass.LetterOrDigitClass: 5128case RegexCharClass.NotLetterOrDigitClass: 5129negate ^= charClass == RegexCharClass.NotLetterOrDigitClass; 5132case RegexCharClass.LowerClass: 5133case RegexCharClass.NotLowerClass: 5134negate ^= charClass == RegexCharClass.NotLowerClass; 5137case RegexCharClass.UpperClass: 5138case RegexCharClass.NotUpperClass: 5139negate ^= charClass == RegexCharClass.NotUpperClass; 5142case RegexCharClass.NumberClass: 5143case RegexCharClass.NotNumberClass: 5144negate ^= charClass == RegexCharClass.NotNumberClass; 5147case RegexCharClass.PunctuationClass: 5148case RegexCharClass.NotPunctuationClass: 5149negate ^= charClass == RegexCharClass.NotPunctuationClass; 5152case RegexCharClass.SeparatorClass: 5153case RegexCharClass.NotSeparatorClass: 5154negate ^= charClass == RegexCharClass.NotSeparatorClass; 5157case RegexCharClass.SymbolClass: 5158case RegexCharClass.NotSymbolClass: 5159negate ^= charClass == RegexCharClass.NotSymbolClass; 5162case RegexCharClass.AsciiLetterClass: 5163case RegexCharClass.NotAsciiLetterClass: 5164negate ^= charClass == RegexCharClass.NotAsciiLetterClass; 5167case RegexCharClass.AsciiLetterOrDigitClass: 5168case RegexCharClass.NotAsciiLetterOrDigitClass: 5169negate ^= charClass == RegexCharClass.NotAsciiLetterOrDigitClass; 5172case RegexCharClass.HexDigitClass: 5173case RegexCharClass.NotHexDigitClass: 5174negate ^= charClass == RegexCharClass.NotHexDigitClass; 5177case RegexCharClass.HexDigitLowerClass: 5178case RegexCharClass.NotHexDigitLowerClass: 5179negate ^= charClass == RegexCharClass.NotHexDigitLowerClass; 5182case RegexCharClass.HexDigitUpperClass: 5183case RegexCharClass.NotHexDigitUpperClass: 5184negate ^= charClass == RegexCharClass.NotHexDigitUpperClass; 5189if (RegexCharClass.TryGetSingleRange(charClass, out char lowInclusive, out char highInclusive)) 5191negate ^= RegexCharClass.IsNegated(charClass); 5211if (RegexCharClass.TryGetOnlyCategories(charClass, categories, out int numCategories, out bool negated)) 5231switch (RegexCharClass.GetSetChars(charClass, setChars)) 5234negate ^= RegexCharClass.IsNegated(charClass); 5235if (RegexCharClass.DifferByOneBit(setChars[0], setChars[1], out mask)) 5245negate ^= RegexCharClass.IsNegated(charClass); 5247return (negate, RegexCharClass.DifferByOneBit(setChars[0], setChars[1], out mask)) switch 5258if (RegexCharClass.TryGetDoubleRange(charClass, out (char LowInclusive, char HighInclusive) rangeLower, out (char LowInclusive, char HighInclusive) rangeUpper) && 5265negate ^= RegexCharClass.IsNegated(charClass); 5270RegexCharClass.CharClassAnalysisResults analysis = RegexCharClass.Analyze(charClass); 5282bool negatedClass = RegexCharClass.IsNegated(charClass); 5286if (RegexCharClass.CharInClass((char)i, charClass) ^ negatedClass) 5317bool negatedClass = RegexCharClass.IsNegated(charClass); 5321if (RegexCharClass.CharInClass((char)i, charClass) ^ negatedClass) 5341if (RegexCharClass.TryGetDoubleRange(charClass, out (char LowInclusive, char HighInclusive) range0, out (char LowInclusive, char HighInclusive) range1)) 5343negate ^= RegexCharClass.IsNegated(charClass); 5396if (RegexCharClass.CharInClass(c, charClass)) 5609RegexCharClass.AnyClass => "any character", 5610RegexCharClass.AsciiLetterClass => "an ASCII letter", 5611RegexCharClass.AsciiLetterOrDigitClass => "an ASCII letter or digit", 5612RegexCharClass.ECMASpaceClass => "a whitespace character (ECMA)", 5613RegexCharClass.ECMAWordClass => "a word character (ECMA)", 5614RegexCharClass.HexDigitClass => "a hexadecimal digit", 5615RegexCharClass.HexDigitLowerClass => "a lowercase hexadecimal digit", 5616RegexCharClass.HexDigitUpperClass => "an uppercase hexadecimal digit", 5617RegexCharClass.LetterClass => "a Unicode letter", 5618RegexCharClass.LetterOrDigitClass => "a Unicode letter or digit", 5619RegexCharClass.NotAsciiLetterClass => "any character other than an ASCII letter", 5620RegexCharClass.NotAsciiLetterOrDigitClass => "any character other than an ASCII letter or digit", 5621RegexCharClass.NotControlClass => "any character other than a Unicode control character", 5622RegexCharClass.NotDigitClass => "any character other than a Unicode digit", 5623RegexCharClass.NotECMASpaceClass => "any character other than a whitespace character (ECMA)", 5624RegexCharClass.NotECMAWordClass => "any character other than a word character (ECMA)", 5625RegexCharClass.NotHexDigitClass => "any character other than a hexadecimal digit", 5626RegexCharClass.NotHexDigitLowerClass => "any character other than a lowercase hexadecimal digit", 5627RegexCharClass.NotHexDigitUpperClass => "any character other than an uppercase hexadecimal digit", 5628RegexCharClass.NotLetterClass => "any character other than a Unicode letter", 5629RegexCharClass.NotLetterOrDigitClass => "any character other than a Unicode letter or digit", 5630RegexCharClass.NotLowerClass => "any character other than a Unicode lowercase letter", 5631RegexCharClass.NotNumberClass => "any character other than a Unicode number", 5632RegexCharClass.NotPunctuationClass => "any character other than a Unicode punctuation character", 5633RegexCharClass.NotSeparatorClass => "any character other than a Unicode separator", 5634RegexCharClass.NotSpaceClass => "any character other than a whitespace character", 5635RegexCharClass.NotSymbolClass => "any character other than a Unicode symbol", 5636RegexCharClass.NotUpperClass => "any character other than a Unicode uppercase letter", 5637RegexCharClass.NotWordClass => "any character other than a word character", 5638RegexCharClass.NumberClass => "a Unicode number", 5639RegexCharClass.PunctuationClass => "a Unicode punctuation character", 5640RegexCharClass.SeparatorClass => "a Unicode separator", 5641RegexCharClass.SpaceClass => "a whitespace character", 5642RegexCharClass.SymbolClass => "a Unicode symbol", 5643RegexCharClass.WordClass => "a word character", 5653if (RegexCharClass.TryGetOnlyCategories(charClass, categories, out int numCategories, out bool negatedCategories) && 5700return $"a character in the set {RegexCharClass.DescribeSet(charClass)}";

186private RegexCharClass? _subtractor; 219private RegexCharClass(bool negate, List<(char First, char Last)>? ranges, StringBuilder? categories, RegexCharClass? subtraction) 239public void AddCharClass(RegexCharClass cc) 257public bool TryAddCharClass(RegexCharClass cc) 295public void AddSubtraction(RegexCharClass sub) 1434public static RegexCharClass Parse(string charClass) 1436RegexCharClass? outermost = null; 1437RegexCharClass? current = null; 1455var level = new RegexCharClass(IsNegated(charClass, pos), ranges, categoriesBuilder, subtraction: null); 1615RegexCharClass? current = this;

131if (!RegexCharClass.IsNegated(charClass) && 132(scratchCount = RegexCharClass.GetSetChars(charClass, scratch)) > 0) 142Debug.Assert(!RegexCharClass.IsNegated(charClass)); 149Debug.Assert(!RegexCharClass.IsNegated(charClass) || chars is null);

26/// <remarks>For a <see cref="RegexNodeKind.Multi"/>, this is the string from the expression. For an <see cref="IsSetFamily"/> node, this is the character class string from <see cref="RegexCharClass"/>.</remarks> 126string stringSet = RegexCharClass.CharsToStringClass(equivalences); 961if (RegexCharClass.IsEmpty(Str)) 966else if (RegexCharClass.IsSingleton(Str)) 968Ch = RegexCharClass.SingletonChar(Str); 976else if (RegexCharClass.IsSingletonInverse(Str)) 978Ch = RegexCharClass.SingletonChar(Str); 991case RegexCharClass.WordNotWordClass: 992case RegexCharClass.NotWordWordClass: 993case RegexCharClass.DigitNotDigitClass: 994case RegexCharClass.NotDigitDigitClass: 995case RegexCharClass.SpaceNotSpaceClass: 996case RegexCharClass.NotSpaceSpaceClass: 997Str = RegexCharClass.AnyClass; 1001case RegexCharClass.NegatedDigitClass: // [^\d] 1002Str = RegexCharClass.NotDigitClass; 1004case RegexCharClass.NegatedSpaceClass: // [^\s] 1005Str = RegexCharClass.NotSpaceClass; 1007case RegexCharClass.NegatedWordClass: // [^\w] 1008Str = RegexCharClass.NotWordClass; 1113if (!wasLastSet || optionsLast != optionsAt || lastNodeCannotMerge || !RegexCharClass.IsMergeable(at.Str!)) 1116lastNodeCannotMerge = !RegexCharClass.IsMergeable(at.Str!); 1134RegexCharClass prevCharClass; 1142prevCharClass = RegexCharClass.Parse(prev.Str!); 1151RegexCharClass atCharClass = RegexCharClass.Parse(at.Str!); 1552if (RegexCharClass.IsNegated(startingLiteralNode.Str!) || 1553(numChars = RegexCharClass.GetSetChars(startingLiteralNode.Str!, setChars)) == 0) 1626if (RegexCharClass.TryGetSingleRange(node.Str!, out char lowInclusive, out char highInclusive) && 1630return new StartingLiteralData(range: (lowInclusive, highInclusive), negated: RegexCharClass.IsNegated(node.Str!)); 1635if ((numChars = RegexCharClass.GetSetChars(node.Str!, setChars)) != 0) 1637return new StartingLiteralData(setChars: setChars.Slice(0, numChars).ToString(), negated: RegexCharClass.IsNegated(node.Str!)); 2424case RegexNodeKind.Set when !RegexCharClass.CharInClass(node.Ch, subsequent.Str!): 2427case RegexNodeKind.Setlazy or RegexNodeKind.Setloop or RegexNodeKind.Setloopatomic when subsequent.M > 0 && !RegexCharClass.CharInClass(node.Ch, subsequent.Str!): 2431case RegexNodeKind.Boundary when node.M > 0 && RegexCharClass.IsBoundaryWordChar(node.Ch): 2432case RegexNodeKind.NonBoundary when node.M > 0 && !RegexCharClass.IsBoundaryWordChar(node.Ch): 2433case RegexNodeKind.ECMABoundary when node.M > 0 && RegexCharClass.IsECMAWordChar(node.Ch): 2434case RegexNodeKind.NonECMABoundary when node.M > 0 && !RegexCharClass.IsECMAWordChar(node.Ch): 2439case RegexNodeKind.Setlazy or RegexNodeKind.Setloop or RegexNodeKind.Setloopatomic when subsequent.M == 0 && !RegexCharClass.CharInClass(node.Ch, subsequent.Str!): 2471case RegexNodeKind.One when !RegexCharClass.CharInClass(subsequent.Ch, node.Str!): 2472case RegexNodeKind.Set when !RegexCharClass.MayOverlap(node.Str!, subsequent.Str!): 2473case RegexNodeKind.Onelazy or RegexNodeKind.Oneloop or RegexNodeKind.Oneloopatomic when subsequent.M > 0 && !RegexCharClass.CharInClass(subsequent.Ch, node.Str!): 2474case RegexNodeKind.Setlazy or RegexNodeKind.Setloop or RegexNodeKind.Setloopatomic when subsequent.M > 0 && !RegexCharClass.MayOverlap(node.Str!, subsequent.Str!): 2475case RegexNodeKind.Multi when !RegexCharClass.CharInClass(subsequent.Str![0], node.Str!): 2477case RegexNodeKind.EndZ or RegexNodeKind.Eol when !RegexCharClass.CharInClass('\n', node.Str!): 2478case RegexNodeKind.Boundary when node.M > 0 && RegexCharClass.IsKnownWordClassSubset(node.Str!): 2479case RegexNodeKind.NonBoundary when node.M > 0 && node.Str is RegexCharClass.NotWordClass or RegexCharClass.NotDigitClass: 2480case RegexNodeKind.ECMABoundary when node.M > 0 && node.Str is RegexCharClass.ECMAWordClass or RegexCharClass.ECMADigitClass: 2481case RegexNodeKind.NonECMABoundary when node.M > 0 && node.Str is RegexCharClass.NotECMAWordClass or RegexCharClass.NotDigitClass: 2484case RegexNodeKind.Onelazy or RegexNodeKind.Oneloop or RegexNodeKind.Oneloopatomic when subsequent.M == 0 && !RegexCharClass.CharInClass(subsequent.Ch, node.Str!): 2485case RegexNodeKind.Setlazy or RegexNodeKind.Setloop or RegexNodeKind.Setloopatomic when subsequent.M == 0 && !RegexCharClass.MayOverlap(node.Str!, subsequent.Str!): 2505(node.N > 1 && RegexCharClass.MayOverlap(loopStartingSet, loopEndingSet))) 2511RegexCharClass.CharInClass(ch, loopStartingSet) || RegexCharClass.CharInClass(ch, loopEndingSet); 2514RegexCharClass.MayOverlap(set, loopStartingSet) || RegexCharClass.MayOverlap(set, loopEndingSet); 2525case RegexNodeKind.Boundary when node.M > 0 && RegexCharClass.IsKnownWordClassSubset(loopStartingSet) && RegexCharClass.IsKnownWordClassSubset(loopEndingSet): 2526case RegexNodeKind.NonBoundary when node.M > 0 && (loopStartingSet is RegexCharClass.NotWordClass or RegexCharClass.NotDigitClass) && (loopEndingSet is RegexCharClass.NotWordClass or RegexCharClass.NotDigitClass): 2527case RegexNodeKind.ECMABoundary when node.M > 0 && (loopStartingSet is RegexCharClass.ECMAWordClass or RegexCharClass.ECMADigitClass) && (loopEndingSet is RegexCharClass.ECMAWordClass or RegexCharClass.ECMADigitClass): 2528case RegexNodeKind.NonECMABoundary when node.M > 0 && (loopStartingSet is RegexCharClass.NotECMAWordClass or RegexCharClass.NotDigitClass) && (loopEndingSet is RegexCharClass.NotECMAWordClass or RegexCharClass.NotDigitClass): 2679RegexCharClass.IsKnownWordClassSubset(set); 2979RegexCharClass.ParticipatesInCaseConversion(child.Ch)) 2991RegexCharClass.ParticipatesInCaseConversion(child.Str.AsSpan())) 3003if (!RegexCharClass.SetContainsAsciiOrdinalIgnoreCaseCharacter(child.Str!, twoChars)) 3327sb.Append(" '").Append(RegexCharClass.DescribeChar(Ch)).Append('\''); 3344sb.Append(RegexCharClass.DescribeChar(c)); 3352sb.Append(' ').Append(RegexCharClass.DescribeSet(Str!));

22/// <remarks>The <see cref="RegexCharClass"/> set string is specified in <see cref="RegexNode.Str"/>.</remarks> 40/// <remarks>The <see cref="RegexCharClass"/> set string is specified in <see cref="RegexNode.Str"/>, the minimum number of iterations in <see cref="RegexNode.M"/>, and the maximum number of iterations in <see cref="RegexNode.N"/>.</remarks> 53/// <remarks>The <see cref="RegexCharClass"/> set string is specified in <see cref="RegexNode.Str"/>, the minimum number of iterations in <see cref="RegexNode.M"/>, and the maximum number of iterations in <see cref="RegexNode.N"/>.</remarks> 71/// The <see cref="RegexCharClass"/> set string is specified in <see cref="RegexNode.Str"/>, the minimum number of iterations in <see cref="RegexNode.M"/>, and the maximum number of iterations in <see cref="RegexNode.N"/>.

403new RegexNode(RegexNodeKind.Set, _options & ~RegexOptions.IgnoreCase, RegexCharClass.AnyClass) : 551private RegexCharClass? ScanCharClass(bool caseInsensitive, bool scanOnly) 560List<RegexCharClass?>? parents = null; 562RegexCharClass? charClass = scanOnly ? null : new RegexCharClass(); 618RegexCharClass? parent = parents[parents.Count - 1]; 735(parents ??= new List<RegexCharClass?>()).Add(charClass); 764(parents ??= new List<RegexCharClass?>()).Add(scanOnly ? null : charClass); 912else if (RegexCharClass.IsBoundaryWordChar(ch)) 959else if (RegexCharClass.IsBoundaryWordChar(ch)) 1014else if (RegexCharClass.IsBoundaryWordChar(ch)) 1143new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.ECMAWordClass : RegexCharClass.WordClass); 1148new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.NotECMAWordClass : RegexCharClass.NotWordClass); 1153new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.ECMASpaceClass : RegexCharClass.SpaceClass); 1158new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.NotECMASpaceClass : RegexCharClass.NotSpaceClass); 1163new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.ECMADigitClass : RegexCharClass.DigitClass); 1168new RegexNode(RegexNodeKind.Set, (_options & ~RegexOptions.IgnoreCase), (_options & RegexOptions.ECMAScript) != 0 ? RegexCharClass.NotECMADigitClass : RegexCharClass.NotDigitClass); 1178var cc = new RegexCharClass(); 1308else if (angled && RegexCharClass.IsBoundaryWordChar(ch)) 1407else if (angled && RegexCharClass.IsBoundaryWordChar(ch)) 1469if (!RegexCharClass.IsBoundaryWordChar(_pattern[_pos++])) 1656if ((_options & RegexOptions.ECMAScript) == 0 && RegexCharClass.IsBoundaryWordChar(ch)) 1682if (!(RegexCharClass.IsBoundaryWordChar(ch) || ch == '-')) 1775if (ch != '0' && RegexCharClass.IsBoundaryWordChar(ch)) 2050case > 1 when (_options & RegexOptions.IgnoreCase) == 0 || isReplacement || !RegexCharClass.ParticipatesInCaseConversion(_pattern.AsSpan(pos, cch)):

112case RegexNodeKind.One or RegexNodeKind.Oneloop or RegexNodeKind.Onelazy or RegexNodeKind.Oneloopatomic when !ignoreCase || !RegexCharClass.ParticipatesInCaseConversion(node.Ch): 138if (RegexCharClass.ParticipatesInCaseConversion(c)) 156case RegexNodeKind.Set or RegexNodeKind.Setloop or RegexNodeKind.Setlazy or RegexNodeKind.Setloopatomic when !RegexCharClass.IsNegated(node.Str!): // negated sets are too complex to analyze 158int charCount = RegexCharClass.GetSetChars(node.Str!, setChars); 197if (!RegexCharClass.SetContainsAsciiOrdinalIgnoreCaseCharacter(node.Str!, setChars)) 530if (results[i].Set == RegexCharClass.AnyClass) 532results.RemoveAll(s => s.Set == RegexCharClass.AnyClass); 543charClass == RegexCharClass.AnyClass) // weed out match-all, same as above 557result.Negated = RegexCharClass.IsNegated(result.Set); 559if (RegexCharClass.TryGetSingleRange(result.Set, out char lowInclusive, out char highInclusive) && 566int count = RegexCharClass.GetSetChars(result.Set, scratch); 603string setString = RegexCharClass.OneToStringClass(node.Ch); 611string setString = RegexCharClass.OneToStringClass(node.Ch); 627string setString = RegexCharClass.OneToStringClass(s[i]); 714var combined = new Dictionary<int, (RegexCharClass Set, int Count)>(); 742if (combined.TryGetValue(fixedSet.Distance, out (RegexCharClass Set, int Count) value)) 744if (value.Set.TryAddCharClass(RegexCharClass.Parse(fixedSet.Set))) 752combined[fixedSet.Distance] = (RegexCharClass.Parse(fixedSet.Set), 1); 757foreach (KeyValuePair<int, (RegexCharClass Set, int Count)> pair in combined) 924RegexCharClass? cc = null; 942static bool? TryFindFirstOrLastCharClass(RegexNode node, bool findFirst, ref RegexCharClass? cc) 986cc = RegexCharClass.Parse(node.Str!); 989else if (cc.CanMerge && RegexCharClass.Parse(node.Str!) is { CanMerge: true } setCc) 1184RegexCharClass.CharInClass(prefix[0], firstChild.Str!) ? null : 1200!RegexCharClass.ParticipatesInCaseConversion(ordinalCaseInsensitivePrefix[0]) || 1203if (RegexCharClass.ParticipatesInCaseConversion(ordinalCaseInsensitivePrefix[0])) 1205if (RegexCharClass.CharInClass((char)(ordinalCaseInsensitivePrefix[0] | 0x20), firstChild.Str!) || 1206RegexCharClass.CharInClass((char)(ordinalCaseInsensitivePrefix[0] & ~0x20), firstChild.Str!)) 1211else if (RegexCharClass.CharInClass(ordinalCaseInsensitivePrefix[0], firstChild.Str!)) 1232!RegexCharClass.IsNegated(nextChild.Str!) && 1236chars = chars.Slice(0, RegexCharClass.GetSetChars(nextChild.Str!, chars)); 1241if (RegexCharClass.CharInClass(c, firstChild.Str!))