From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 8 Feb 2026 22:15:45 +0000 (+0100)
Subject: [3.13] gh-106318: Add example for str.isalnum() (GH-137550) (#144610)
X-Git-Tag: v3.13.13~208
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=43b9344114c11e43aa53e9f66757a184c1ef420e;p=thirdparty%2FPython%2Fcpython.git

[3.13] gh-106318: Add example for str.isalnum() (GH-137550) (#144610)

gh-106318: Add example for str.isalnum() (GH-137550)
(cherry picked from commit 3dd7a3c65ad4ac330ad44a519efa017484530e1a)

Co-authored-by: Adorilson Bezerra <adorilson@gmail.com>
---

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index cca4ed1abdf5..997e897c29e3 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -1939,7 +1939,18 @@ expression support in the :mod:`re` module).
    Return ``True`` if all characters in the string are alphanumeric and there is at
    least one character, ``False`` otherwise.  A character ``c`` is alphanumeric if one
    of the following returns ``True``: ``c.isalpha()``, ``c.isdecimal()``,
-   ``c.isdigit()``, or ``c.isnumeric()``.
+   ``c.isdigit()``, or ``c.isnumeric()``. For example::
+
+   .. doctest::
+
+      >>> 'abc123'.isalnum()
+      True
+      >>> 'abc123!@#'.isalnum()
+      False
+      >>> ''.isalnum()
+      False
+      >>> ' '.isalnum()
+      False
 
 
 .. method:: str.isalpha()