python正则匹配ip_对Python正则匹配IP、Url、Mail的方法详解

如下所示：

"""

Created on Thu Nov 10 14:07:36 2016

@author: qianzhewoniuqusanbu

"""

import re

def RegularMatchIP(ip):

'''进行正则匹配ip，加re.IGNORECASE是让结果返回bool型'''

pattern=re.match(r'b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$',ip,re.IGNORECASE)

if pattern:

print ip

else:

print "The IP address format is incorrect!"

def RegularMatchUrl(url):

pattern=re.match(r'(http|ftp|https)://[w-_]+(.[w-_]+)+([w-.,@?^=%&:/~+#]*[w-@?^=%&/~+#])?',url,re.IGNORECASE)

if pattern:

print url

else:

print "invalid url"

def RegularMatchEmail(email):

pattern=re.match(r'w+@([0-9a-zA-Z]+[-0-9a-zA-Z]*)(.[0-9a-zA-Z]+[-0-9a-zA-Z]*)+',email,re.IGNORECASE)

if pattern:

print email

else:

print "invalid eamil"

RegularMatchIP("12.32.35.23")

RegularMatchUrl("http://c.biancheng.net/cpp/html/1435.html")

RegularMatchEmail("109823434@qq.com")

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