text: String s = "a, b c ,,d "; // Despite the bad formatting,
  String[] p = splitTokens(s, ", "); // the data is parsed correctly
  println(p[0]); // Prints "a"
  println(p[1]); // Prints "b"
  println(p[2]); // Prints "c"
  println(p[3]); // Prints "d"