From: Adorilson Bezerra <adorilson@gmail.com>
Date: Sun, 8 Feb 2026 22:08:18 +0000 (+0000)
Subject: gh-106318: Add example for str.isalnum() (#137550)
X-Git-Tag: v3.15.0a6~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dd7a3c65ad4ac330ad44a519efa017484530e1a;p=thirdparty%2FPython%2Fcpython.git

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

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 0f20163e6950..4fc6f3b96521 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2180,7 +2180,18 @@ 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()