#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Repetition of patterns
     """
     #end_pymotw_header
     
     from re_test_patterns import test_patterns
     
     test_patterns('abbaaabbbbaaaaa',
                   [ '[ab]',    # either a or b
                     'a[ab]+',  # a followed by one or more a or b
                     'a[ab]+?', # a followed by one or more a or b, not greedy
                     ])