[3.11] Fix Sphinx warnings in re module docs (GH-107044). (#107055)

(cherry picked from commit 149748ea4f)
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wulmer 2023-07-22 18:39:46 +02:00 committed by GitHub
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@ -500,6 +500,8 @@ The special characters are:
(``b'\x00'``-``b'\x7f'``) in :class:`bytes` replacement strings.
.. _re-special-sequences:
The special sequences consist of ``'\'`` and a character from the list below.
If the ordinary character is not an ASCII digit or an ASCII letter, then the
resulting RE will match the second character. For example, ``\$`` matches the
@ -778,6 +780,17 @@ Flags
Corresponds to the inline flag ``(?s)``.
.. data:: U
UNICODE
In Python 2, this flag made :ref:`special sequences <re-special-sequences>`
include Unicode characters in matches. Since Python 3, Unicode characters
are matched by default.
See :const:`A` for restricting matching on ASCII characters instead.
This flag is only kept for backward compatibility.
.. data:: X
VERBOSE
@ -1518,14 +1531,14 @@ Simulating scanf()
.. index:: single: scanf()
Python does not currently have an equivalent to :c:func:`scanf`. Regular
Python does not currently have an equivalent to :c:func:`!scanf`. Regular
expressions are generally more powerful, though also more verbose, than
:c:func:`scanf` format strings. The table below offers some more-or-less
equivalent mappings between :c:func:`scanf` format tokens and regular
:c:func:`!scanf` format strings. The table below offers some more-or-less
equivalent mappings between :c:func:`!scanf` format tokens and regular
expressions.
+--------------------------------+---------------------------------------------+
| :c:func:`scanf` Token | Regular Expression |
| :c:func:`!scanf` Token | Regular Expression |
+================================+=============================================+
| ``%c`` | ``.`` |
+--------------------------------+---------------------------------------------+
@ -1550,7 +1563,7 @@ To extract the filename and numbers from a string like ::
/usr/sbin/sendmail - 0 errors, 4 warnings
you would use a :c:func:`scanf` format like ::
you would use a :c:func:`!scanf` format like ::
%s - %d errors, %d warnings