import re


def checkContainLower(pwd):
    """
    判断是否包含小写字母
    :param pwd: 用户密码
    :return: 1 -> TURE ; 0 -> FALSE
    """
    pattern = re.compile('[a-z]+')
    match = pattern.findall(pwd)
    if match:
        return 1
    else:
        return 0