[issue2636] Regexp 2.7 (modifications to current re 2.2.2)

[Matthew Barnett]

Matthew Barnett <python at mrabarnett.plus.com> added the comment:

I haven't yet found out how to turn on compression when getting the
branches, so I've only looked at
lp:~pythonregexp2.7/python/issue2636+01+09-02+17+18+19+20+21+24+26. I
did see that the SRE_FLAG_REVERSE flag was missing.

BTW, I ran re.findall(r"(?m)^(.*re\..+\\m)$", text) where text was 67MB
of emails. Python v2.5.2 took 2.4secs and the new version 5.6secs. Ouch!
I added 4 lines to _sre.c and tried again. 1.1secs. Nice! :-)

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<http://bugs.python.org/issue2636>
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