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C# 中使用正则表达式验证手机号、身份证号码

发布时间:2020-08-06 19:28:58
#region 手机号码验证
string 手机号码 = “18000000000”;
if (string.IsNullOrEmpty(手机号码))
            {
                context.Response.Write("{\"status\":0,\"msg\":\"您的电话不能为空!\"}");
                return;
            }
            Regex rx = new Regex(@"^[1]+[3,4,5,6,7,8,9]+\d{9}");
            if (!rx.IsMatch(手机号码)) //不匹配
            {
                context.Response.Write("{\"status\":0,\"msg\":\"请输入正确的电话!\"}");
                return;
            }
#endregion
 
 
 
#region 身份证号码验证
String 身份证= “500000000000000000”;
 if (string.IsNullOrEmpty(身份证))
            {
                context.Response.Write("{\"status\":0,\"msg\":\"请输入您的身份证号码!\"}");
                return;
            }
            if (身份证.Length == 18)
            {
                bool check = CheckIDCard18(身份证);
                if (check == false)
                {
                    context.Response.Write("{\"status\":0,\"msg\":\"身份证号码错误,请重新输入!\"}");
                    return;
                }
            }
            else if (身份证.Length == 15)
            {
                bool check = CheckIDCard15(身份证);
                if (check == false)
                {
                    context.Response.Write("{\"status\":0,\"msg\":\"身份证号码错误,请重新输入!\"}");
                    return;
                }
            }
            else
            {
                context.Response.Write("{\"status\":0,\"msg\":\"请输入您的身份证号码!\"}");
                return;
            }
 
        private bool CheckIDCard18(string idNumber)
        {
            long n = 0;
            if (long.TryParse(idNumber.Remove(17), out n) == false
                || n < Math.Pow(10, 16) || long.TryParse(idNumber.Replace('x', '0').Replace('X', '0'), out n) == false)
            {
                return false;//数字验证  
            }
            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
            if (address.IndexOf(idNumber.Remove(2)) == -1)
            {
                return false;//省份验证  
            }
            string birth = idNumber.Substring(6, 8).Insert(6, "-").Insert(4, "-");
            DateTime time = new DateTime();
            if (DateTime.TryParse(birth, out time) == false)
            {
                return false;//生日验证  
            }
            string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
            string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
            char[] Ai = idNumber.Remove(17).ToCharArray();
            int sum = 0;
            for (int i = 0; i < 17; i++)
            {
                sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
            }
            int y = -1;
            Math.DivRem(sum, 11, out y);
            if (arrVarifyCode[y] != idNumber.Substring(17, 1).ToLower())
            {
                return false;//校验码验证  
            }
            return true;//符合GB11643-1999标准  
        }
 
private bool CheckIDCard15(string idNumber)
        {
            long n = 0;
            if (long.TryParse(idNumber, out n) == false || n < Math.Pow(10, 14))
            {
                return false;//数字验证  
            }
            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
            if (address.IndexOf(idNumber.Remove(2)) == -1)
            {
                return false;//省份验证  
            }
            string birth = idNumber.Substring(6, 6).Insert(4, "-").Insert(2, "-");
            DateTime time = new DateTime();
            if (DateTime.TryParse(birth, out time) == false)
            {
                return false;//生日验证  
            }
            return true;
        }
        #endregion



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