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Add re.VERBOSE flag documentation example (GH-97678)

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The current re.VERBOSE documentation example leaves space for ambiguous
interpretation. One may read that spaces within the `(?:` token are
spaces inside the non-capturing group (such as `(?: )`). This patch
removes the ambiguity by including examples after the statement.
(cherry picked from commit 0ceafa7fa4)

Co-authored-by: Athos Ribeiro <athoscribeiro@gmail.com>
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Miss Islington (bot) 2022-10-04 18:29:54 -07:00 • committed by GitHub
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Doc/library/re.rst
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@ -781,7 +781,8 @@ Flags
more readable by allowing you to visually separate logical sections of the
pattern and add comments. Whitespace within the pattern is ignored, except
when in a character class, or when preceded by an unescaped backslash,
or within tokens like ``*?``, ``(?:`` or ``(?P<...>``.
or within tokens like ``*?``, ``(?:`` or ``(?P<...>``. For example, ``(? :``
and ``* ?`` are not allowed.
When a line contains a ``#`` that is not in a character class and is not
preceded by an unescaped backslash, all characters from the leftmost such
``#`` through the end of the line are ignored.