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Add RegexOptions.AnyNewLine via parser lowering - #124701

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danmoseley merged 27 commits into

dotnet:mainfrom

danmoseley:anynewline-lower-v2

Mar 17, 2026

Commits on Feb 21, 2026
- Add RegexOptions.AnyNewLine enum value and validation
  
  Dan Moseley
  and
  Copilot
  committed
  1a8adf7
- Lower $ with AnyNewLine (no Multiline)
  
  Dan Moseley
  and
  Copilot
  committed
  b3c40f4
- Lower \Z with AnyNewLine
  
  Dan Moseley
  and
  Copilot
  committed
  37317bb
- Lower $ with Multiline|AnyNewLine
  
  Dan Moseley
  and
  Copilot
  committed
  789ab13
- Lower ^ with Multiline|AnyNewLine
  
  Dan Moseley
  and
  Copilot
  committed
  cc5269a
- Lower . with AnyNewLine
  
  Dan Moseley
  and
  Copilot
  committed
  1141050
- Add AnyNewLine integration tests
  
  Dan Moseley
  and
  Copilot
  committed
  283d49d
- Add AnyNewLine integration tests
  
  Dan Moseley
  and
  Copilot
  committed
  7ebed69
- Add exhaustive AnyNewLine edge case tests
  
  Dan Moseley
  and
  Copilot
  committed
  d3b20ba
- Add AnyNewLine test for UpgradeToGeneratedRegex analyzer
  
  Dan Moseley
  and
  Copilot
  committed
  a959964
- Add PCRE2-inspired and real-world pattern tests
  
  Dan Moseley
  and
  Copilot
  committed
  6d58823
- Test NonBacktracking|AnyNewLine is rejected
  
  Dan Moseley
  and
  Copilot
  committed
  681a3ba
- Style: single-line ternaries for $ and \Z lowering
  
  Dan Moseley
  and
  Copilot
  committed
  c96689e
- Address PR feedback: more RTL/Singleline tests, net481 compat
  
  Dan Moseley
  and
  Copilot
  committed
  2349ce3
- Add ECMAScript+AnyNewLine rejection test
  
  Dan Moseley
  and
  Copilot
  committed
  e8c8fcb
- Optimize AnyNewLine anchor lowering by merging alternation branches
  
  Dan Moseley
  and
  Copilot
  committed
  4a94fc3
Commits on Feb 25, 2026
- Skip AnyNewLine tests on .NET Framework
  
  Dan Moseley
  and
  Copilot
  committed
  c4bb5b9
Commits on Mar 3, 2026
- Add VT/FF newline tests (expected to fail)
  
  Dan Moseley
  and
  Copilot
  committed
  32b183c
- Add VT (U+000B) and FF (U+000C) to AnyNewLine newline set
  
  Dan Moseley
  and
  Copilot
  committed
  4731bfb
- Add missing test cases for AnyNewLine edge cases
  
  Dan Moseley
  and
  Copilot
  committed
  c42d8ff
- Rename la/lb to lookahead/lookbehind for clarity
  
  Dan Moseley
  and
  Copilot
  committed
  4f5b056
- Rename NotNewLineOrCarriageReturnClass and fix variable naming
  
  Dan Moseley
  and
  Copilot
  committed
  763d334
- Move newline character class constants to RegexCharClass.cs
  
  Dan Moseley
  and
  Copilot
  committed
  632f402
- Add .*$ and .+$ baseline/AnyNewLine contrast tests
  
  Dan Moseley
  and
  Copilot
  committed
  f08383a
Commits on Mar 6, 2026
- Optimize AnyNewLine anchor lowering: eliminate outer alternation
  
  Dan Moseley
  and
  Copilot
  committed
  4035161
- Fix review feedback: remove BOMs, fix formatting, add missing test
  
  Dan Moseley
  and
  Copilot
  committed
  b750415
Commits on Mar 10, 2026
- Merge branch 'main' into anynewline-lower-v2
  Dan Moseley
  authored
  4de13b6

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Add RegexOptions.AnyNewLine via parser lowering - #124701

Add RegexOptions.AnyNewLine via parser lowering#124701
danmoseley merged 27 commits into
dotnet:mainfrom
danmoseley:anynewline-lower-v2

Commits on Feb 21, 2026

Add RegexOptions.AnyNewLine enum value and validation

Lower $ with AnyNewLine (no Multiline)

Lower \Z with AnyNewLine

Lower $ with Multiline|AnyNewLine

Lower ^ with Multiline|AnyNewLine

Lower . with AnyNewLine

Add AnyNewLine integration tests

Add AnyNewLine integration tests

Add exhaustive AnyNewLine edge case tests

Add AnyNewLine test for UpgradeToGeneratedRegex analyzer

Add PCRE2-inspired and real-world pattern tests

Test NonBacktracking|AnyNewLine is rejected

Style: single-line ternaries for $ and \Z lowering

Address PR feedback: more RTL/Singleline tests, net481 compat

Add ECMAScript+AnyNewLine rejection test

Optimize AnyNewLine anchor lowering by merging alternation branches

Commits on Feb 25, 2026

Skip AnyNewLine tests on .NET Framework

Commits on Mar 3, 2026

Add VT/FF newline tests (expected to fail)

Add VT (U+000B) and FF (U+000C) to AnyNewLine newline set

Add missing test cases for AnyNewLine edge cases

Rename la/lb to lookahead/lookbehind for clarity

Rename NotNewLineOrCarriageReturnClass and fix variable naming

Move newline character class constants to RegexCharClass.cs

Add .*$ and .+$ baseline/AnyNewLine contrast tests

Commits on Mar 6, 2026

Optimize AnyNewLine anchor lowering: eliminate outer alternation

Fix review feedback: remove BOMs, fix formatting, add missing test

Commits on Mar 10, 2026

Merge branch 'main' into anynewline-lower-v2