declare
fun {SimpleJack String Temp FinalList CurrState}
   case String
   of nil then nil
   [] H|T then
      case CurrState
      of 0 then %dealing with numbers

      [] 1 then %dealing with letters
      end
   end
end

local Tokens in
   {SimpleJack "abcd1234fdsa5438" nil Tokens}
   {Browse Tokens}
end