On Mon, Jul 12, 2010 at 9:42 AM, Steven D'Aprano <steve at pearwood.info> wrote: > On Sun, 11 Jul 2010 09:37:22 pm Eric Smith wrote: >> > re2 comparison is interesting from the point of if it should be >> > included in stdlib. >> >> Is "it" re2 or regex? I don't see having 2 regular expression engines >> in the stdlib. > > There's precedence though... the old regex engine and the new re engine > were side-by-side for many years before regex was deprecated and > finally removed in 2.5. Hypothetically, re2 could similarly be added to > the standard library while re is deprecated. re2 deliberately omits some features for efficiency reasons, hence is not even on the table as a possible replacement for the standard library version. If someone is in a position where re2 can solve their problems with the re module, they should also be in a position where they can track it down for themselves. MRAB's module offers a superset of re's features rather than a subset though, so once it has had more of a chance to bake on PyPI it may be worth another look. Cheers, Nick. -- Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
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