diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/re.rst | 10 | ||||
| -rw-r--r-- | Doc/whatsnew/3.6.rst | 9 |
2 files changed, 19 insertions, 0 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index dfbedd4..df5b547 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -237,6 +237,16 @@ The special characters are: *cannot* be retrieved after performing a match or referenced later in the pattern. +``(?imsx-imsx:...)`` + (Zero or more letters from the set ``'i'``, ``'m'``, ``'s'``, ``'x'``, + optionally followed by ``'-'`` followed by one or more letters from the + same set.) The letters set or removes the corresponding flags: + :const:`re.I` (ignore case), :const:`re.M` (multi-line), :const:`re.S` + (dot matches all), and :const:`re.X` (verbose), for the part of the + expression. (The flags are described in :ref:`contents-of-module-re`.) + + .. versionadded: 3.7 + ``(?P<name>...)`` Similar to regular parentheses, but the substring matched by the group is accessible via the symbolic group name *name*. Group names must be valid diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst index f15bf4d..8a57110 100644 --- a/Doc/whatsnew/3.6.rst +++ b/Doc/whatsnew/3.6.rst @@ -645,6 +645,15 @@ Protocol version 4 already supports this case. (Contributed by Serhiy Storchaka in :issue:`24164`.) +re +-- + +Added support of modifier spans in regular expressions. Examples: +``'(?i:p)ython'`` matches ``'python'`` and ``'Python'``, but not ``'PYTHON'``; +``'(?i)g(?-i:v)r'`` matches ``'GvR'`` and ``'gvr'``, but not ``'GVR'``. +(Contributed by Serhiy Storchaka in :issue:`433028`.) + + readline -------- |