Python实现正则表达式匹配任意的邮箱方法

#-*- coding:utf-8 -*-__author__ = '杨鑫'import retext = input("Please input your Email address：/n"):if re.match(r'[0-9a-zA-Z_]{0,19}@163.com',text):  print('Email address is Right!')else:  print('Please reset your right Email address!')

#-*- coding:utf-8 -*-__author__ = '杨鑫'import retext = input("Please input your Email address：/n")if re.match(r'^[0-9a-zA-Z_]{0,19}@[0-9a-zA-Z]{1,13}/.[com,cn,net]{1,3}$',text):#if re.match(r'[0-9a-zA-Z_]{0,19}@163.com',text):  print('Email address is Right!')else:  print('Please reset your right Email address!')