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gh-106318: Add example for str.isalnum() #137550

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gh-106318: Add example for str.isalnum() #137550

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85664f3
gh-106320: Remove private _PyInterpreterState functions (#106335)
vstinner Jul 2, 2023
9907d9b
Doc: minor change
adorilson Dec 30, 2023
ac028d7
Revert "Doc: minor change"
adorilson Mar 25, 2024
427214e
gh-106318: Add example for str.isalnum()
adorilson Mar 14, 2021
7a1058b
gh-106318: Some improvements to str.isalnum() example
adorilson Aug 8, 2025
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gh-106318: Add example for str.isalnum()
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@adorilson
adorilson committed Aug 8, 2025
commit 427214ee49f8a24bfde851eeeddb332ea28ba654
10 changes: 10 additions & 0 deletions Doc/library/stdtypes.rst
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Expand Up @@ -1980,6 +1980,16 @@ expression support in the :mod:`re` module).
of the following returns ``True``: ``c.isalpha()``, ``c.isdecimal()``,
``c.isdigit()``, or ``c.isnumeric()``.

For example::

>>> ''.isalnum()
False
>>> 'abc123'.isalnum()
True
>>> 'abc123!@#'.isalnum()
False
>>> ' '.isalnum()
False

.. method:: str.isalpha()

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