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

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

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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
3b53406
gh-106318: Add example for str.isalpha()
adorilson Mar 15, 2021
38c3493
gh-106318: Resolve conflict on str.isalpha() doc
adorilson Aug 9, 2025
c8645e9
gh-106318: Fix link to Unicode Properties on str.isalpha() doc
adorilson Aug 9, 2025
55d4ea2
gh-106318: Improve comment in str.isalpha() doc example
adorilson Aug 9, 2025
84f1a6b
[DOC] Add label to Unicode Properties subsection on how-to
adorilson Aug 9, 2025
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12 changes: 12 additions & 0 deletions Doc/library/stdtypes.rst
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Expand Up @@ -1990,7 +1990,19 @@ 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/Unicode16.0.0/core-spec/chapter-4/#G91002>`_.
For example::

..doctest::

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These conflict

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Do you mean the missing space after .. ?

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You can’t have both :: and the doctest. Look at what happens when you build it.

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I got. Fixing.

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Done.

>>> 'a commom word'.isalpha()
False
>>> 'acommomword'.isalpha()
True
>>> 'µ'.isalpha() # no-ascii characters could be alpha too
True


See Unicode Properties section in :ref:`unicode-howto`.
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@StanFromIreland StanFromIreland Aug 8, 2025 •
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Which section exactly are you referring to? The description already covers the properties. Idea: It could be shown in the example, e.g.:

>>> import unicodedata
... unicodedata.category('é') 
'Ll'

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Which section exactly are you referring to?

https://docs.python.org/3/howto/unicode.html#unicode-properties

I couldn't link to the subsection. Now I discovered that :ref: role links to a label in the form .. _my-reference-label:, not to reStructuredText sections.

So, now I intend to put (adding this label on the Unicode Properties section)

See :ref:`unicode-properties`

I think this is more valuable than the example you suggested and a good complement to the description.

Shall I go ahead with this?

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It is done. Here and on #137592.


.. method:: str.isascii()

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