Home Original page

[Python-Dev] re performance

Brett Cannon brett at python.org
Sat Jan 28 13:04:12 EST 2017 
On Fri, 27 Jan 2017 at 13:26 MRAB <python at mrabarnett.plus.com> wrote:

> On 2017-01-27 17:03, Łukasz Langa wrote:
> >
> >> On Jan 26, 2017, at 5:16 PM, MRAB <python at mrabarnett.plus.com
> >> <mailto:python at mrabarnett.plus.com>> wrote:
> >
> >>> So, it seems as if regex already uses a better algorithm although I
> >>> couldn't find any reference to any regex theoretical framework like
> dfa,
> >>> nfa, thompson multiple-state simulation or something.
> >>>
> >> It still uses backtracking, like in the re module.
> >
> > What’s the status of regex inclusion in the stdlib?
> >
> >
> I'm not bothered about it. It's quite a bit bigger than the re module,
> and, anyway, keeping it as a third-party module gives me more freedom to
> make updates, which are available for a range of Python versions.
>

Maybe regex should get a mention in the docs like requests does under
urllib.request?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-dev/attachments/20170128/7659dcb8/attachment.html>
More information about the Python-Dev mailing list