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fatlotus/overflow-transcript.py

Created March 5, 2013 21:44
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Regular Expressions bug (feature?) in Python
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overflow-transcript.py
$ python
Python 2.7.3 (default, Sep 26 2012, 21:51:14)
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import mmap
>>> import re
>>> fp = open('enwiki-latest-pages-articles.xml', 'rb')
>>> buf = mmap.mmap(fp.fileno(), 0, access = mmap.ACCESS_READ)
>>> rx = re.compile('a')
>>> rx.search(buf, (1 << 31) - 1).end()
-2147483639
>>>
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