"""Created on Thu Nov 10 14:07:36 2016@author: qianzhewoniuqusanbu"""import redef RegularMatchIP(ip):    '''進行正則匹配ip，加re.IGNORECASE是讓結果返回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")