diff options
Diffstat (limited to 'Doc/library/re.rst')
| -rw-r--r-- | Doc/library/re.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 8e20496..0d305d5 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -297,6 +297,9 @@ The special characters are: >>> m.group(0) 'egg' + .. versionchanged: 3.5 + Added support for group references of fixed length. + ``(?<!...)`` Matches if the current position in the string is not preceded by a match for ``...``. This is called a :dfn:`negative lookbehind assertion`. Similar to |