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whatsnew: return types of re functions.

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R David Murray 2014-02-27 18:32:32 -05:00
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Doc/whatsnew/3.4.rst
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@ -1987,6 +1987,13 @@ Changes in the Python API
in theory this should not cause backward compatibility issues since the in theory this should not cause backward compatibility issues since the
disallowed command forms didn't make any sense and are unlikely to be in use. disallowed command forms didn't make any sense and are unlikely to be in use.
* The :func:`re.split`, :func:`re.findall`, and :func:`re.sub` functions, and
the :meth:`~re.match.group` and :meth:`~re.match.groups` methods of
:class:``match`` objects now always return a *bytes* object when the string
to be matched is a :term:`bytes-like object`. Previously the return type
matched the input type, so if your code was depending on the return value
being, say, a ``bytearray``, you will need to change your code.
Changes in the C API Changes in the C API
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