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

Merged

jketema merged 54 commits into

github:mainfrom

jketema:jketema/ecma-regex

Sep 29, 2026

Commits on Aug 7, 2026

C++: Copy Ruby regex library and tests verbatim

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

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

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

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

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

Copilot
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jketema
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b2d0766
C++: Remove named capture groups

Copilot
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jketema
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985a2ba
C++: Remove named backreferences

Copilot
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jketema
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bb96e90
C++: Remove lookbehind assertions

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

Copilot
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jketema
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24251de
C++: Implement \cX control escapes

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

Copilot
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jketema
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87cdedd
C++: Implement \0 NUL escape

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

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

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

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

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

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

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

Commits on Aug 10, 2026

C++: Add `RegExpNamedCharacterProperty` subclasses
jketema
committed
8a41ec0
Fix typo

jketema
and
Copilot
authored
fbd8737
Fix typo
jketema
committed
b15082f

Commits on Aug 28, 2026

Merge branch 'main' into jketema/ecma-regex
jketema
authored
28e7fd3
C++: Update regex test comment
jketema
committed
d9ad582
C++: Add `RawStringLiteral` test
jketema
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fed331e
C++: Fix QLDoc comment
jketema
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e6359c5
C++: Add `std:wregex` in regex test
jketema
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bd1fc19
C++: Add `[^[:digit:]]` test
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957d1fc
C++: Add another POSIX collating symbol test case
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7732801
C++: Remove duplicated checks
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18074d0
C++: Document potentially unexpected regex location information
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40a8746
C++: Address `RegExpNormalChar` review feedback
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0ab9454
C++: Test edge cases for string literal locations.

geoffw0
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jketema
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9e52f28
C++: Address an edge case for regex locations.

geoffw0
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jketema
committed
8e169d3
C++: Fix QL-for-QL alert and formatting issue
jketema
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52f1710
C++: Expand on `hasLocationInfo` fragility
jketema
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50ed141