diff options
Diffstat (limited to 'Doc/whatsnew/3.4.rst')
| -rw-r--r-- | Doc/whatsnew/3.4.rst | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index 9e87b42b7c..33461ebf5b 100644 --- a/Doc/whatsnew/3.4.rst +++ b/Doc/whatsnew/3.4.rst @@ -1172,9 +1172,12 @@ affect the behaviour of :func:`help`. re -- -Added :func:`re.fullmatch` function and :meth:`regex.fullmatch` method, -which anchor the pattern at both ends of the string to match. -(Contributed by Matthew Barnett in :issue:`16203`.) +New :func:`~re.fullmatch` function and :meth:`.regex.fullmatch` method anchor +the pattern at both ends of the string to match. This provides a way to be +explicit about the goal of the match, which avoids a class of subtle bugs where +``$`` characters get lost during code changes or the addition of alternatives +to an existing regular expression. (Contributed by Matthew Barnett in +:issue:`16203`.) The repr of :ref:`regex objects <re-objects>` now includes the pattern and the flags; the repr of :ref:`match objects <match-objects>` now |