/// <summary>/// Ip地址驗(yàn)證/// </summary>public static bool CheckIp(string ip){  bool result = false;  Regex ipReg = new Regex(@"^(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])$");  if (ipReg.IsMatch(ip))  {    result = true;  }  return result;}

/// <summary>/// 價(jià)格驗(yàn)證/// </summary>/// <param name="priceStr"></param>/// <returns></returns>public bool CheckPrice(string priceStr){  bool result = false;  Regex regex = new Regex(@"^/d+(/./d{1,2})?$", RegexOptions.IgnoreCase);  Match match = regex.Match(priceStr);  if (match.Success)  {    result = true;  }  return result;}

/// <summary>/// 正整數(shù)驗(yàn)證/// </summary>public static bool CheckPositiveInteger(string numStr){  bool result = false;  Regex regex = new Regex(@"^[1-9]/d*$", RegexOptions.IgnoreCase);  Match match = regex.Match(numStr);  if (match.Success)  {    result = true;  }  return result;}