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author | Georg Brandl <georg@python.org> | 2009-01-01 12:00:19 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2009-01-01 12:00:19 (GMT) |
commit | 2adde0551a51002c9a43bfabf684be0c960ed192 (patch) | |
tree | 096493babe0e853e1ea3d2bf9057217c6688f9d9 /Lib/re.py | |
parent | d0eb8f96929f8c2326dd6059f68242cc07b5de86 (diff) | |
download | cpython-2adde0551a51002c9a43bfabf684be0c960ed192.zip cpython-2adde0551a51002c9a43bfabf684be0c960ed192.tar.gz cpython-2adde0551a51002c9a43bfabf684be0c960ed192.tar.bz2 |
#4185: clarify escape behavior of replacement strings.
Diffstat (limited to 'Lib/re.py')
-rw-r--r-- | Lib/re.py | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -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) |