re_groups_named.py

#!/usr/bin/env python


import re

text = 'This is some text -- with punctuation.'

print text
print

for pattern in [r'^(?P<first_word>\w+)',
                r'(?P<last_word>\w+)\S*$',
                r'(?P<t_word>\bt\w+)\W(?P<other_word>\w+)',
                r'(?P<ends_with_t>\w+t)\b',
                ]:
    regex = re.compile(pattern)
    match = regex.search(text)
    print 'Matching "%s"' % pattern
    print '  ', match.groups()
    print '  ', match.groupdict()
    print