Is re.findall guaranteed to be "in order?"

MRAB google at mrabarnett.plus.com
Wed Jul 16 01:37:57 CEST 2008


On Jul 15, 11:07 pm, Joshua Kugler <jkug... at bigfoot.com> wrote:
> I tried looking through re.py and sre_compile.py, but I can't really see an
> answer to my question.
>
> Experimenting has shown me that re.findall() will return a list with the
> matches in the order it found them.  Am I lucky so far, or does the
> _sre.c's logic dictate the items will be added in order found?
>
> http://svn.python.org/view/python/tags/r25c1/Modules/_sre.c?rev=51334...
> (search for "pattern_findall") seems to indicate they will be added in
> order, but can someone with a better handle on Python internals (and quite
> frankly, C) confirm this?
>
They will be returned in order.



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