一、常用操作符:
二、實例:
匹配ip地址:
repx = '((25[0-5])|(2[0-4]\d)|(1\d{2})|([1-9]\d)\.){3}(25[0-5])|(2[0-4]\d)|(1\d{2})|([1-9]\d)'
匹配ip地址:
repx = '((25[0-5])|(2[0-4]\d)|(1\d{2})|([1-9]\d)\.){3}(25[0-5])|(2[0-4]\d)|(1\d{2})|([1-9]\d)'
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta