#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Matching alternative groups
     """
     #end_pymotw_header
     
     from re_test_patterns_groups import test_patterns
     
     test_patterns('abbaaabbbbaaaaa',
                   [r'a((a+)|(b+))', # 'a' followed by a sequence of 'a' or sequence of 'b'
                    r'a((a|b)+)',    # 'a' followed by a sequence of 'a' or 'b'
                    ])