[issue22410] Locale dependent regexps on different locales

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Good catch Matthew!

After fixing this and yet one bug (LC_CTYPE should be used instead of LC_ALL), and adding more optimizations, the performance is increased. Now the result of above microbenchmark is 18.5 usec per loop.

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Added file: http://bugs.python.org/file36653/re_locale_caching2.patch

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