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[Bug #990792] Mention that repl can be a callable

This commit is contained in:
Andrew M. Kuchling 2004-08-07 17:41:54 +00:00
parent 5d9c3031c8
commit 43ab0cd174
1 changed files with 6 additions and 2 deletions
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8
Lib/sre.py
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@ -139,7 +139,9 @@ def search(pattern, string, flags=0):
def sub(pattern, repl, string, count=0):
"""Return the string obtained by replacing the leftmost
non-overlapping occurrences of the pattern in string by the
replacement repl"""
replacement repl. repl can be either a string or a callable;
if a callable, it's passed the match object and must return
a replacement string to be used."""
return _compile(pattern, 0).sub(repl, string, count)
def subn(pattern, repl, string, count=0):
@ -147,7 +149,9 @@ def subn(pattern, repl, string, count=0):
new_string is the string obtained by replacing the leftmost
non-overlapping occurrences of the pattern in the source
string by the replacement repl. number is the number of
substitutions that were made."""
substitutions that were made. repl can be either a string or a
callable; if a callable, it's passed the match object and must
return a replacement string to be used."""
return _compile(pattern, 0).subn(repl, string, count)
def split(pattern, string, maxsplit=0):