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  • ipv4的两种验证方法

    import re
    def check_ip4_1(ip):
        result=[]
        if ip.count(".")==3:
            for i in ip.split("."):
                try:
                    if i.strip().startswith("0"):
                        result.append(1)
                    elif int(i.strip())>=1 and int(i.strip())<=255:
                        result.append(2)
                except Exception,e:
                    print "error",e.message
            if result.count(2)==4:
                return "True"
            else:
                return "False"
     
    def check_ip4_2(ip):
        rule1=re.compile(r"[1-2][0-9][0-9]")
        rule2=re.compile(r"[1-9][1-9]")
        rule3=re.compile(r"[1-9]")
        result=[]
        if ip.count(".")==3:
            for i in ip.split("."):
                try:
                    if i.strip().startswith("0"):
                        result.append(1)
                    elif rule1.match(i) or rule2.match(i) or rule3.match(i):
                        result.append(2)
                except Exception,e:
                    print "error",e.message
            if result.count(2)==4:
                return "True"
            else:
                return "False"
     
    if __name__=="__message__":
        check_ip4_1(ip4)
        check_ip4_2(ip4)
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  • 原文地址:https://www.cnblogs.com/zhangtebie/p/11185896.html
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