[docs] [issue8402] Add a function to escape metacharacters in glob/fnmatch

[Matthew Barnett]

Matthew Barnett added the comment:

I've attached fnmatch_implementation.py, which is a simple pure-Python implementation of the fnmatch function.

It's not as susceptible to catastrophic backtracking as the current re-based one. For example:

fnmatch('a' * 50, '*a*' * 50)

completes quickly.

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nosy: +mrabarnett
Added file: http://bugs.python.org/file29343/fnmatch_implementation.py

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