stringparser.py 文件源码

def funMatch(args, **options):
    try:
        [2, 3].index(len(args))
    except ValueError:
        raise ParseError("match expects either two or three arguments")

    flags = 0
    if len(args) == 3:
        if args[2] == 'i':
            flags = re.IGNORECASE
        else:
            raise ParseError('match only supports the ignore case flag "i"')

    if re.search(args[1],args[0],flags):
        return "true"
    else:
        return "false"