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gh-106318: Add examples for str.rfind() method (GH-143582)
(cherry picked from commit c696f33)

Co-authored-by: Adorilson Bezerra <adorilson@gmail.com>
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adorilson authored and miss-islington committed Jan 9, 2026
commit 39e06679ba7856e1cae8b9a1f92e9e63d8d6b40d
10 changes: 10 additions & 0 deletions Doc/library/stdtypes.rst
Original file line number Diff line number Diff line change
Expand Up @@ -2270,6 +2270,16 @@ expression support in the :mod:`re` module).
Return the highest index in the string where substring *sub* is found, such
that *sub* is contained within ``s[start:end]``. Optional arguments *start*
and *end* are interpreted as in slice notation. Return ``-1`` on failure.
For example:

.. doctest::

>>> 'spam, spam, spam'.rfind('sp')
12
>>> 'spam, spam, spam'.rfind('sp', 0, 10)
6

See also :meth:`find` and :meth:`rindex`.


.. method:: str.rindex(sub[, start[, end]])
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