| character | Features |
|---|---|
| ^ | Matches the beginning of string |
| $ | End of the string |
Example 1: $
Requirements: 163.com match-mail address
#coding=utf-8
import re
email_list = ["[email protected]", "[email protected]", "[email protected]"] for email in email_list: ret = re.match("[\w]{4,20}@163\.com", email) if ret: print("%s 是符合规定的邮件地址,匹配后的结果是:%s" % (email, ret.group())) else: print("%s 不符合要求" % email) operation result:
xiaoWang@163.com 是符合规定的邮件地址,匹配后的结果是:xiaoWang@163.com
xiaoWang@163.comheihei 是符合规定的邮件地址,匹配后的结果是:xiaoWang@163.com
[email protected] 不符合要求
Perfect after
email_list = ["[email protected]", "[email protected]", "[email protected]"]
for email in email_list: ret = re.match("[\w]{4,20}@163\.com$", email) if ret: print("%s 是符合规定的邮件地址,匹配后的结果是:%s" % (email, ret.group())) else: print("%s 不符合要求" % email) operation result:
xiaoWang@163.com 是符合规定的邮件地址,匹配后的结果是:xiaoWang@163.com
xiaoWang@163.comheihei 不符合要求
[email protected] 不符合要求