正则表达式判断*属于哪个运营商

#移动号段 1340-1348|135-139|147|150-152|1571-1572|1574|158-159|182|183|187|188

^1(34[0-8]|(3[5-9]|47|5[0-2]|57[124]|5[89]|8[2378])\d)\d{7}$

#联通号段 130|131|132|145|155|156|185|186

^1(3[0-2]|45|5[56]|8[56])\d{8}$

#电信号段 133|153|180|189

^1(33|53|8[09])\d{8}$

/// <summary>
        /// 返回手机号的运营商，1移动 2联通 3电信
        /// </summary>
        /// <param name="mobile"></param>
        /// <returns></returns>
        public static int getMobileType(string mobile)
        {
            if (!string.IsNullOrWhiteSpace(mobile))
            {
                string ydExp = "^1(34[0-8]|(3[5-9]|47|5[0-2]|57[124]|5[89]|8[2378])\d)\d{7}$";
                string ltExp = "^1(3[0-2]|45|5[56]|8[56])\d{8}$";
                string dxExp = "^1(33|53|8[09])\d{8}$";

                Regex reg = new Regex(ydExp);
                if (reg.IsMatch(mobile))
                {
                    return 1;
                }
                reg = new Regex(ltExp);
                if (reg.IsMatch(mobile))
                {
                    return 2;
                }
                reg = new Regex(dxExp);
                if (reg.IsMatch(mobile))
                {
                    return 3;
                }
            }
            return 0;
        }

//GET方式发送得结果
        private static String doGetRequest(string url)
        {
            HttpWebRequest hwRequest;
            HttpWebResponse hwResponse;

            string strResult = string.Empty;
            try
            {
                hwRequest = (System.Net.HttpWebRequest)WebRequest.Create(url);
                hwRequest.Timeout = 5000;
                hwRequest.Method = "GET";
                hwRequest.ContentType = "application/x-www-form-urlencoded";
            }
            catch (System.Exception err)
            {
                WriteErrLog(err.ToString());
                return strResult;
            }

            //get response
            try
            {
                hwResponse = (HttpWebResponse)hwRequest.GetResponse();
                StreamReader srReader = new StreamReader(hwResponse.GetResponseStream(), Encoding.ASCII);
                strResult = srReader.ReadToEnd();
                srReader.Close();
                hwResponse.Close();
            }
            catch (System.Exception err)
            {
                WriteErrLog(err.ToString());
            }

return strResult;
}

Post调用实例：

string param = string.Format("spidxxx={0}&sppasooosword={1}&dc=15&dassssm={2}", spid, sppw, content);
byte[] bTemp = Encoding.ASCII.GetBytes(param);
result = doPostRequest(url, bTemp);

//POST方式发送得结果
        public static String doPostRequest(string url, byte[] bData)
        {
            System.Net.HttpWebRequest hwRequest;
            System.Net.HttpWebResponse hwResponse;
            string strResult = string.Empty;

            if (string.IsNullOrWhiteSpace(url) || bData == null)
            {
                return strResult;
            }

            try
            {
                hwRequest = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url);
                hwRequest.Timeout = 5000;
                hwRequest.Method = "POST";
                hwRequest.ContentType = "application/x-www-form-urlencoded";
                hwRequest.ContentLength = bData.Length;

                System.IO.Stream smWrite = hwRequest.GetRequestStream();
                smWrite.Write(bData, 0, bData.Length);
                smWrite.Close();
            }
            catch (System.Exception err)
            {
                return "短信调用异常1，exception = " + err.ToString();
            }

return strResult;
}

//字符编码成HEX
        private static String encodeHexStr(int dataCoding, String realStr)
        {
            string strhex = "";
            try
            {
                Byte[] bytSource = null;
                if (dataCoding == 15)
                {
                    bytSource = Encoding.GetEncoding("GBK").GetBytes(realStr);
                }
                else if (dataCoding == 8)
                {
                    bytSource = Encoding.BigEndianUnicode.GetBytes(realStr);
                }
                else
                {
                    bytSource = Encoding.ASCII.GetBytes(realStr);
                }
                for (int i = 0; i < bytSource.Length; i++)
                {
                    strhex = strhex + bytSource[i].ToString("X2");

                }
            }
            catch (System.Exception err)
            {
                WriteErrLog(err.ToString());
            }
            return strhex;
        }
        //hex编码还原成字符
        private static String decodeHexStr(int dataCoding, String hexStr)
        {
            String strReturn = "";
            try
            {
                int len = hexStr.Length / 2;
                byte[] bytSrc = new byte[len];
                for (int i = 0; i < len; i++)
                {
                    string s = hexStr.Substring(i * 2, 2);
                    bytSrc[i] = Byte.Parse(s, System.Globalization.NumberStyles.AllowHexSpecifier);
                }

                if (dataCoding == 15)
                {
                    strReturn = Encoding.GetEncoding("GBK").GetString(bytSrc);
                }
                else if (dataCoding == 8)
                {
                    strReturn = Encoding.BigEndianUnicode.GetString(bytSrc);
                }
                else
                {
                    strReturn = System.Text.ASCIIEncoding.ASCII.GetString(bytSrc);
                }
            }
            catch (System.Exception err)
            {
                WriteErrLog(err.ToString());

            }
            return strReturn;
        }