anagram.py

import re


re_normalize = re.compile('[\W]+')


def normalize_anagram(a):
    a = a.lower()
    a = re_normalize.sub('', a)
    a = ''.join(sorted(a))
    return a


def check_anagram(a, b):
    """
    >>> check_anagram('taco', 'cato')
    True
    >>> check_anagram('cat', 'dog')
    False
    >>> check_anagram('The sunset is so beautiful!', 'shit butts i feel nauseous')
    True
    """
    return normalize_anagram(a) == normalize_anagram(b)


if __name__ == '__main__':
    import doctest
    doctest.testmod()