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| author | Serhiy Storchaka <storchaka@gmail.com> | 2016-09-11 09:50:02 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2016-09-11 09:50:02 (GMT) |
| commit | bd48d27944453ad83d3ce37b2c867fa0d59a1c15 (patch) | |
| tree | f5585b5ce3995541ed6cce7bb4daef97f936be89 /Doc/whatsnew | |
| parent | 352601ca00376aaf07d4399096f985d3d8ecb96f (diff) | |
| download | cpython-bd48d27944453ad83d3ce37b2c867fa0d59a1c15.zip cpython-bd48d27944453ad83d3ce37b2c867fa0d59a1c15.tar.gz cpython-bd48d27944453ad83d3ce37b2c867fa0d59a1c15.tar.bz2 | |
Issue #22493: Inline flags now should be used only at the start of the
regular expression. Deprecation warning is emitted if uses them in the
middle of the regular expression.
Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/3.6.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst index 6bb3469..8752b83 100644 --- a/Doc/whatsnew/3.6.rst +++ b/Doc/whatsnew/3.6.rst @@ -1124,6 +1124,15 @@ Deprecated features that will not be for several Python releases. (Contributed by Emanuel Barry in :issue:`27364`.) +* Inline flags ``(?letters)`` now should be used only at the start of the + regular expression. Inline flags in the middle of the regular expression + affects global flags in Python :mod:`re` module. This is an exception to + other regular expression engines that either apply flags to only part of + the regular expression or treat them as an error. To avoid distinguishing + inline flags in the middle of the regular expression now emit a deprecation + warning. It will be an error in future Python releases. + (Contributed by Serhiy Storchaka in :issue:`22493`.) + Deprecated Python behavior -------------------------- |