Centreon_EventLog_2_Syslog.SyslogServer.SetServerAddress C# (CSharp) Method

        private void SetServerAddress(String server)
        {
            String validIpAddressRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
            String validHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\\-]*[A-Za-z0-9])$";

            Regex re = new Regex(validIpAddressRegex);

            if (re.IsMatch(server, 0))
            {
                this._ServerAddress = server;
            }
            else
            {
                re = new Regex(validHostnameRegex);

                if (re.IsMatch(server, 0))
                {
                    this._ServerAddress = server;
                }
                else
                {
                    ArgumentOutOfRangeException ex = new ArgumentOutOfRangeException("Address IP or DNS is not correct.");
                    throw ex;
                }
            }
        }