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gh-106318: Add example for str.isalpha() (#137557)

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Co-authored-by: Éric <merwok@netwok.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
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Adorilson Bezerra 2025-11-24 14:10:35 +00:00 • committed by GitHub
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Doc/howto/unicode.rst
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@ -352,6 +352,8 @@ If you don't include such a comment, the default encoding used will be UTF-8 as
already mentioned. See also :pep:`263` for more information.
.. _unicode-properties:
Unicode Properties
------------------

12
Doc/library/stdtypes.rst
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@ -2057,6 +2057,18 @@ expression support in the :mod:`re` module).
from the `Alphabetic property defined in the section 4.10 'Letters, Alphabetic, and
Ideographic' of the Unicode Standard
<https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-4/#G91002>`__.
For example:
.. doctest::
>>> 'Letters and spaces'.isalpha()
False
>>> 'LettersOnly'.isalpha()
True
>>> 'µ'.isalpha() # non-ASCII characters can be considered alphabetical too
True
See :ref:`unicode-properties`.
.. method:: str.isascii()