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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