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1. Commits on Feb 22, 2026

   • [3.14] gh-145092: Fix compiler warning for memchr() and wcschr() returning const pointer (GH-145093) (GH-145102)

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     miss-islington

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     heitbaum

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     06b6243View commit details

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2. Commits on Jul 13, 2025

   • [3.14] gh-127971: fix off-by-one read beyond the end of a string during search (GH-132574) (#136628)

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     miss-islington

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     duaneg

     authored
     348e22cView commit details

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3. Commits on Jun 13, 2024

   • gh-120397: Optimize str.count() for single characters (#120398)

     rhpvorderman

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4. Commits on Jun 4, 2024

   • gh-119879: str.find(): Utilize last character gap for two-way periodic needles (#119880)

     

     d.grigonis

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5. Commits on Sep 13, 2022

   • gh-94808: improve comments and coverage of fastsearch.h (GH-96760)

     sweeneyde

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6. Commits on Jun 20, 2022

   • gh-84461: Silence some compiler warnings on WASM (GH-93978)

     tiran

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     774ef28View commit details

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7. Commits on May 24, 2022

   • gh-93033: Use wmemchr in stringlib (GH-93034)

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     goldsteinn

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8. Commits on Jul 19, 2021

   • bpo-41972: Tweak fastsearch.h string search algorithms (GH-27091)

     sweeneyde

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     d01dcebView commit details

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9. Commits on May 22, 2021

   • Remove effbot urls (GH-26308)

     E-Paine

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     e9f66aeView commit details

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10. Commits on Feb 28, 2021

    • bpo-41972: Use the two-way algorithm for string searching (GH-22904)

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      sweeneyde

      and

      tim-one

      authored
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11. Commits on Sep 11, 2019

    • Doc: Fix typo in fastsearch comments (GH-14608)

      

      esc

      authored and

      matrixise

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12. Commits on May 17, 2019

    • Fix couple of dead code paths (GH-7418)

      

      David Carlier

      authored and

      csabella

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13. Commits on Mar 30, 2017

    • bpo-24821: Fixed the slowing down to 25 times in the searching of some (#505)

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      serhiy-storchaka

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14. Commits on Nov 14, 2015

    • Issue #24821: Refactor STRINGLIB(fastsearch_memchr_1char) and split it on

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      serhiy-storchaka

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15. Commits on Mar 24, 2015

    • Issue #23573: Increased performance of string search operations (str.find,

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      serhiy-storchaka

      committed
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16. Commits on Apr 7, 2013

    • Close #13126: "Simplify" FASTSEARCH() code to help the compiler to emit more

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      vstinner

      committed
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17. Commits on Jan 15, 2013

    • Check for NULL before the pointer aligning in fastsearch_memchr_1char.

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      serhiy-storchaka

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18. Commits on Sep 20, 2012

    • Issue #15144: Fix possible integer overflow when handling pointers as integer values, by using Py_uintptr_t instead of size_t.

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      pitrou

      committed
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19. Commits on Aug 2, 2012

    • Close #15534: Fix a typo in the fast search function of the string library (_s => s)

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      vstinner

      committed
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20. Commits on Oct 17, 2011

    • Fix typo

      pitrou

      committed
      5b9f4c1View commit details

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21. Commits on Oct 13, 2011

    • Add a comment explaining this heuristic.

      pitrou

      committed
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    • Simplify heuristic for when to use memchr

      pitrou

      committed
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22. Commits on Oct 11, 2011

    • Fix fastsearch for UCS2 and UCS4

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      Victor Stinner

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    • Issue #13134: optimize finding single-character strings using memchr

      pitrou

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23. Commits on Sep 28, 2011

    • Implement PEP 393.

      loewis

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24. Commits on Aug 8, 2010

    • Fix #8530: Prevent stringlib fastsearch from reading beyond the front of an array.

      florentx

      committed
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25. Commits on Jan 13, 2010

    • Merged revisions 77469-77470 via svnmerge from

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      pitrou

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    • Merged revisions 77461 via svnmerge from

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      pitrou

      committed
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26. Commits on Jan 2, 2010

    • Merged revisions 77241 via svnmerge from

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      pitrou

      committed
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27. Commits on Jan 23, 2009

    • Merged revisions 68750,68776-68777,68811,68842,68859 via svnmerge from

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      benjaminp

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28. Commits on May 27, 2006

    • Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.

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      Yhg1s

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