I learned about Python regular expressions from the Web documentation
<http://docs.python.org/lib/lib.html>. This describes a module named "re".
Then I saw some code written by a colleague, and he was using a module
named "sre". I checked my Python 2.4.3 installation, and sure enough, I
have a module named "sre" as well as "re". Curious, I fired up an
interactive Python session, and looked to see what the docstrings were for
these modules. And for the "re" module, the help says:
re - Minimal "re" compatibility wrapper. See "sre" for documentation.
and "sre" seems to have the more complete set of docstrings.
So which one should we be using?
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