How to split the value from string using c# method

This is split the your string value using the special character

 private void SplitString()
        {
     string _BaseString="RIVE-SENT-KUMA-XXX"
            string[] seperate_filelds = _BaseString.Split('-');
            int counter = 0;
           // bool is_legit = false;

            foreach (string each_field in seperate_filelds)
            {
                counter++;
                // reading the first field which is prefix field
                if (counter == 1)
                {
     //fristValue = "RIVE";
                   string fristValue = each_field  ;

                }
                else if (counter == 2)
                {
                    //secondValue = "SENT";
                   string secondValue = each_field  ;
                }
  else if (counter == 3)
                {
                    //thirdValue = "SENT";
                   string secondValue = each_field  ;
                }
  else if (counter == 4)
                {
                    //furthValue = "XXXX";
                   string furthValue = each_field  ;
                }
               else
                { break; }
            }
                     
        }