C++: Add ECMAScript `std::regex` parser - #22300

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jketema wants to merge 37 commits into

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jketema:jketema/ecma-regex

Commits on Aug 7, 2026

C++: Copy Ruby regex library and tests verbatim

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7f959bf
C++: Make regex library compile
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4096725
C++: Make regex test work
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cc4f5bd
C++: Add location tests for all literal prefixes

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d5d73f6
C++: Add `RawStringLiteral` class
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322c1c0
C++: Fix regex starting location
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fd929e2
C++: Remove Ruby-only \A/\Z/\z/\G anchors from regex grammar

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eb53e56
C++: Remove Ruby-only \h and \H character class escapes

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6e71f00
C++: Remove Ruby-style \p and \P named character properties
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a471af9
C++: Remove Ruby-style (?#...) comment groups

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c3fd966
C++: Remove single-quote named capture groups

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b2d0766
C++: Remove named capture groups

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985a2ba
C++: Remove named backreferences

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bb96e90
C++: Remove lookbehind assertions

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da931e4
C++: Remove {,m} quantifier form
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0a3887d
C++: Remove inverted named character properties
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64a9a75
C++: Add control-escape tests (pre-fix)

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24251de
C++: Implement \cX control escapes

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8d45199
C++: Add NUL-escape tests (pre-fix)

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87cdedd
C++: Implement \0 NUL escape

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81783e6
C++: Add POSIX collating-symbol tests (pre-fix)

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03625be
C++: Fix typo
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32e3a11
C++: Implement POSIX collating symbols
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57f5d03
C++: Add POSIX equivalence-class tests (pre-fix)

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96c9214
C++: Implement POSIX equivalence classes
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5cce52e
C++: Replace non-standard \u{...} test with \uhhhh

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b1e7fb7
C++: Add coverage for lazy quantifiers and \f/\v escapes

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f7797ed
C++: Verify [\b] is backspace inside character classes

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009ae43
C++: Add change note for std::regex ECMAScript parser alignment

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66c191a
C++: Drop unneeded `\U` from `isUnicode`
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b2fc6a1
C++: add hex escape test
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aa14162
C++: Handle `\0` in `RegExpEscape`
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ff038a2
C++: Handle `\cX` in `RegExpEscape` and slightly tweak test
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40feb22
C++: Handle `\xhh` in `RegExpEscape`
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e6cfe17
C++: Fix change note category
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b30d9d6
C++: Fix off-by-one in `\cX` handling
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aca8aa9
C++: Fix QL-for-QL errors
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e95ae40