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#4185: clarify escape behavior of replacement strings.

This commit is contained in:
Georg Brandl 2009-01-01 12:00:19 +00:00
parent d0eb8f9692
commit 2adde0551a
1 changed files with 4 additions and 2 deletions
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6
Lib/re.py
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@ -145,7 +145,8 @@ 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. repl can be either a string or a callable;
if a callable, it's passed the match object and must return
if a string, backslash escapes in it are processed. If it is
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)
@ -155,7 +156,8 @@ def subn(pattern, repl, string, count=0):
non-overlapping occurrences of the pattern in the source
string by the replacement repl. number is the number of
substitutions that were made. repl can be either a string or a
callable; if a callable, it's passed the match object and must
callable; if a string, backslash escapes in it are processed.
If it is 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)