[Python-checkins] bpo-35584: Clarify role of caret in a class class (GH-11946) (GH-11947)
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Tue Feb 19 15:25:58 EST 2019
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: Raymond Hettinger <rhettinger at users.noreply.github.com>
bpo-35584: Clarify role of caret in a class class (GH-11946) (GH-11947)
(cherry picked from commit 3bacf6126522a9b3bcb6be0c4f3ee6a895dfe772)
Co-authored-by: Raymond Hettinger <rhettinger at users.noreply.github.com>
diff --git a/Doc/howto/regex.rst b/Doc/howto/regex.rst
index b09f748a9227..d385d991344b 100644
@@ -96,8 +96,9 @@ special nature.
You can match the characters not listed within the class by :dfn:`complementing`
the set. This is indicated by including a ``'^'`` as the first character of the
-class; ``'^'`` outside a character class will simply match the ``'^'``
-character. For example, ``[^5]`` will match any character except ``'5'``.
+class. For example, ``[^5]`` will match any character except ``'5'``. If the
+caret appears elsewhere in a character class, it does not have special meaning.
+For example: ``[5^]`` will match either a ``'5'`` or a ``'^'``.
Perhaps the most important metacharacter is the backslash, ``\``. As in Python
string literals, the backslash can be followed by various characters to signal
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