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a frozenset is better here

This commit is contained in:
Benjamin Peterson 2012-02-20 23:13:20 -05:00
parent 740593416a
commit c59df7d4e9
1 changed files with 2 additions and 1 deletions
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3
Lib/re.py
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@ -198,7 +198,8 @@ def template(pattern, flags=0):
"Compile a template pattern, returning a pattern object"
return _compile(pattern, flags|T)
_alphanum = set('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890')
_alphanum = frozenset(
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890")
def escape(pattern):
"Escape all non-alphanumeric characters in pattern."