"""Created on Thu Nov 10 14:07:36 2016@author: qianzhewoniuqusanbu"""import redef 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")