GeezerVison

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1. Commits on Sep 16, 2026

   • fixes gh-157633: Update Unicode data to Unicode 18.0.0 (#157634)

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     benjaminp

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2. Commits on Sep 4, 2026

   • gh-156187: Fix the warning stacklevel inside a nested set operand (GH-156188)

     fedonman

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3. Commits on Jun 26, 2026

   • gh-95555: Allow a negated property as a character set member (GH-152245)

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     serhiy-storchaka

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     claude

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   • gh-152100: Fuse set-operation character classes into a single charset (GH-152214)

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     serhiy-storchaka

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     claude

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   • gh-95555: Support Unicode property escapes \p{...} in regular expressions (GH-151969)

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     serhiy-storchaka

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     claude

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4. Commits on Jun 25, 2026

   • gh-152100: Move re compiler optimizations to Lib/re/_optimizer.py (GH-152154)

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     serhiy-storchaka

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     claude

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   • gh-152100: Support set operations in character classes (GH-152153)

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     serhiy-storchaka

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     claude

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5. Commits on Jun 24, 2026

   • gh-152056: Compile single-category character sets to a bare CATEGORY opcode (GH-152057)

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     eendebakpt

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     claude

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   • gh-152033: Optimize category escapes outside character sets (GH-152035)

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     serhiy-storchaka

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     claude

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6. Commits on Feb 16, 2026

   • gh-86519: Add prefixmatch APIs to the re module (GH-31137)

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7. Commits on Dec 8, 2025

   • Fix pyflakes warnings: variable is assigned to but never used (#142294)

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     vstinner

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8. Commits on Nov 28, 2025

   • gh-141968: Use take_bytes in re._compiler (#141995)

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9. Commits on Nov 4, 2025

   • gh-140797: Forbid capturing groups in re.Scanner lexicon patterns (GH-140944)

     Abhi210

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10. Commits on Sep 29, 2025

    • gh-76007: Deprecate `__version__` attribute (#138675)

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11. Commits on May 3, 2025

    • gh-133306: Support \z as a synonym for \Z in regular expressions (GH-133314)

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      serhiy-storchaka

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12. Commits on Nov 11, 2024

    • gh-126505: Fix bugs in compiling case-insensitive character classes (GH-126557)

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      serhiy-storchaka

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13. Commits on Aug 7, 2024

    • Remove dead code in the RE parser (GH-122796)

      serhiy-storchaka

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14. Commits on Aug 6, 2024

    • Fix syntax in generate_re_casefix.py (#122699)

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      JelleZijlstra

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15. Commits on Jun 20, 2024

    • gh-111259: Optimize complementary character sets in RE (GH-120742)

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      serhiy-storchaka

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16. Commits on Jun 13, 2024

    • gh-120417: Add #noqa to used imports in the stdlib (#120421)

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      vstinner

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17. Commits on Dec 11, 2023

    • GH-83162: Rename re.error for better clarity. (#101677)

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18. Commits on Oct 14, 2023

    • gh-109747: Improve errors for unsupported look-behind patterns (GH-109859)

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      serhiy-storchaka

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19. Commits on Aug 16, 2023

    • gh-56166: Deprecate passing confusing positional arguments in re functions (#107778)

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      serhiy-storchaka

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    • gh-100061: Proper fix of the bug in the matching of possessive quantifiers (GH-102612)

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      uyw4687

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      Ma Lin

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20. Commits on Aug 9, 2023

    • gh-106052: Fix bug in the matching of possessive quantifiers (gh-106515)

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      serhiy-storchaka

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21. Commits on Aug 7, 2023

    • gh-106566: Optimize (?!) in regular expressions (GH-106567)

      serhiy-storchaka

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22. Commits on Jul 8, 2023

    • gh-106510: Fix DEBUG output for atomic group (GH-106511)

      serhiy-storchaka

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23. Commits on Jun 14, 2023

    • gh-105687: Remove deprecated objects from `re` module (#105688)

      sobolevn

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24. Commits on Oct 23, 2022

    • gh-91524: Speed up the regular expression substitution (#91525)

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      serhiy-storchaka

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25. Commits on Oct 7, 2022

    • gh-96346: Use double caching for re._compile() (#96347)

      serhiy-storchaka

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26. Commits on Jun 17, 2022

    • gh-91404: Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or allocation failure (GH-32283) (#93882)

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      gpshead

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27. Commits on May 25, 2022

    • gh-92728: Restore re.template, but deprecate it (GH-93161)

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      hroncok

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28. Commits on May 8, 2022

    • gh-91760: More strict rules for numerical group references and group names in RE (GH-91792)

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      serhiy-storchaka

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29. Commits on Apr 30, 2022

    • gh-91760: Deprecate group names and numbers which will be invalid in future (GH-91794)

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      serhiy-storchaka

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    • gh-92049: Forbid pickling constants re._constants.SUCCESS etc (GH-92070)

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      serhiy-storchaka

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