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Showing content from http://mail.python.org/pipermail/python-dev/2003-February/033748.html below:

[Python-Dev] Some questions about maintenance of the regular expression code.

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Greg Chapman may have provided an effective end to this thread. He
sent me (apparently via private email since I haven't seen it on this
list yet) a patch which removes the recursion in simple uses of .*?.
The code is patterened after the way simple uses of .* are currently
handled without recursion.

Still complex uses of either minimizing or maximizing repeats will
recurse.  For example (a|b)*c and (a|b)*?c will both recurse as they
chew through a string of a's and b's.  I don't consider this a bug.

I'll test his patch tonight.

Thank you Greg,
Gary Herron

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