bpo-35584: Incorrect description of ^

Doc/howto/regex.rst

@@ -98,7 +98,10 @@ 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. 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 ``'^'``.
+For example: ``[5^]`` will match either a ``'5'`` or a ``'^'``. The behaviour of
+``'^'`` outside of a character class will be introduced in
+section :ref:`more-metacharacters`.
+
 
 Perhaps the most important metacharacter is the backslash, ``\``.   As in Python
 string literals, the backslash can be followed by various characters to signal

Misc/NEWS.d/next/Documentation/2019-02-19-18-38-23.bpo-35584.x4EQ9V.rst

@@ -0,0 +1 @@
+Update regex howto to note ^ outside of character classes will not just match literal ^