Doc: Fix missing negation. (GH-14640)


Reported by Hug Capella on docs@.

Automerge-Triggered-By: @matrixise
(cherry picked from commit 1fae844451b120b93880d9360f288c70e125520c)

Co-authored-by: Julien Palard <julien@palard.fr>
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 158248c..df29c4d 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -540,8 +540,8 @@
    Matches any character which is not a word character. This is
    the opposite of ``\w``. If the :const:`ASCII` flag is used this
    becomes the equivalent of ``[^a-zA-Z0-9_]``.  If the :const:`LOCALE` flag is
-   used, matches characters considered alphanumeric in the current locale
-   and the underscore.
+   used, matches characters which are neither alphanumeric in the current locale
+   nor the underscore.
 
 .. index:: single: \Z; in regular expressions