>>> import re
>>> p = re.compile('(a*)(b*)(c*)')
>>> m = p.match('aaaaaaaaaaaaaaaabbbbbbbbbbbbbcccccccccccc')
>>> m.group(0)
'aaaaaaaaaaaaaaaabbbbbbbbbbbbbcccccccccccc'
>>> m.group(1)
'aaaaaaaaaaaaaaaa'
>>> m.group(2)
'bbbbbbbbbbbbb'
>>> m.group(3)
'cccccccccccc'
>>> len(m.group(1))
16
>>> len(m.group(2))
13
>>> len(m.group(3))
12
>>> m.group(1) >= m.group(2) + m.group(3)
False