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| -rw-r--r-- | Doc/whatsnew/3.10.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst index 310554eabe..12db463008 100644 --- a/Doc/whatsnew/3.10.rst +++ b/Doc/whatsnew/3.10.rst @@ -615,6 +615,11 @@ Optimizations bytecode level. It is now around 100% faster to create a function with parameter annotations. (Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`) +* Substring search functions such as ``str1 in str2`` and ``str2.find(str1)`` + now sometimes use Crochemore & Perrin's "Two-Way" string searching + algorithm to avoid quadratic behavior on long strings. (Contributed + by Dennis Sweeney in :issue:`41972`) + Deprecated ========== |