Implementation of re.matching()

matching.py

# -*- coding: utf-8 -*-

import re


class matching(object):

    def __init__(self, string):
        self.string = string
        self.matched = None

    def match(self, pattern, flags=0):
        self.matched = re.compile(pattern, flags).match(self.string)
        return self.matched

    def search(self, pattern, flags=0):
        self.matched = re.compile(pattern, flags).search(self.string)
        return self.matched

    def group(self, *args):
        return self.matched.group(*args)

    def groups(self, default=None):
        return self.matched.groups(default)

    def groupdict(self, default=None):
        return self.matched.groupdict(default)



if __name__ == '__main__':
    m = matching("2014/09/14")
    if m.match(r'^(\d\d\d\d)-(\d\d)-(\d\d)$'):
        Y, M, D = m.groups()
    elif m.match(r'^(\d\d)/(\d\d)/(\d\d\d\d)$'):
        M, D, Y = m.groups()
    elif m.match(r'^(\d\d\d\d)/(\d\d)/(\d\d)$'):
        Y, M, D = m.groups()
    else:
        raise ValueError("not matched")
    print("year: %s, month: %s, day: %s" % (Y, M, D))