gh-69929: re docs: Add more specific definition of \w (GH-92015)

(cherry picked from commit 36a0b1d0dd)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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Miss Islington (bot) 2022-12-19 19:14:52 -08:00 committed by GitHub
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@ -589,10 +589,9 @@ character ``'$'``.
``\w`` ``\w``
For Unicode (str) patterns: For Unicode (str) patterns:
Matches Unicode word characters; this includes most characters Matches Unicode word characters; this includes alphanumeric characters (as defined by :meth:`str.isalnum`)
that can be part of a word in any language, as well as numbers and as well as the underscore (``_``).
the underscore. If the :const:`ASCII` flag is used, only If the :const:`ASCII` flag is used, only ``[a-zA-Z0-9_]`` is matched.
``[a-zA-Z0-9_]`` is matched.
For 8-bit (bytes) patterns: For 8-bit (bytes) patterns:
Matches characters considered alphanumeric in the ASCII character set; Matches characters considered alphanumeric in the ASCII character set;