# test match.groups()

try:
    import ure as re
except ImportError:
    try:
        import re
    except ImportError:
        print("SKIP")
        raise SystemExit

try:
    m = re.match(".", "a")
    m.groups
except AttributeError:
    print('SKIP')
    raise SystemExit


m = re.match(r'(([0-9]*)([a-z]*)[0-9]*)','1234hello567')
print(m.groups())

m = re.match(r'([0-9]*)(([a-z]*)([0-9]*))','1234hello567')
print(m.groups())

# optional group that matches
print(re.match(r'(a)?b(c)', 'abc').groups())

# optional group that doesn't match
print(re.match(r'(a)?b(c)', 'bc').groups())

# only a single match
print(re.match(r'abc', 'abc').groups())