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The grammar for the ECMA-262 CharacterEscape is:
CharacterEscape[U, N] ::
ControlEscape
c ControlLetter
0 [lookahead ∉ DecimalDigit]
HexEscapeSequence
RegExpUnicodeEscapeSequence[?U]
[~U]LegacyOctalEscapeSequence
IdentityEscape[?U, ?N]
It's important to parse the standalone "\0 [lookahead ∉ DecimalDigit]"
before parsing LegacyOctalEscapeSequence. Otherwise, all standalone "\0"
patterns are parsed as octal, which are disallowed in Unicode mode.
Further, LegacyOctalEscapeSequence should also be parsed while parsing
character classes.
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| .. | ||
| Benchmark.cpp | ||
| CMakeLists.txt | ||
| Regex.cpp | ||
| RegexLibC.cpp | ||