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gh-151819: Clarify the conditional-pattern email example in re docs #153072

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serhiy-storchaka merged 1 commit into from
Jul 5, 2026
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gh-151819: Clarify the conditional-pattern email example in re docs #153072

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5 changes: 3 additions & 2 deletions Doc/library/re.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -531,8 +531,9 @@ The special characters are:
*name* exists, and with ``no-pattern`` if it doesn't. ``no-pattern`` is
optional and can be omitted. For example,
``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>|$)`` is a poor email matching pattern, which
will match with ``'<user@host.com>'`` as well as ``'user@host.com'``, but
not with ``'<user@host.com'`` nor ``'user@host.com>'``.
matches ``'<user@host.com>'`` as well as ``'user@host.com'``, but does not
match ``'<user@host.com'`` nor ``'user@host.com>'`` in their entirety
(:func:`re.search` finds only ``'user@host.com'`` in the former).

.. versionchanged:: 3.12
Group *id* can only contain ASCII digits.
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