public int[] RemoveCommasFromStringOfNumbers(string numbersAndCommas) {
    int[] numbers = new int[6]
    int x = 0;
    string tempNumber;
    if (numbersAndCommas.Length != 0) {
        for (int i = 0; i < numbersAndCommas.Length; i++) {
            if (numbersAndCommas[i].isDigit) {  // if char is a digit
                tempNumber += numbersAndCommas[i];
            } else {                            // else push to numbers array, because we hit a comma
                if (x < 6) {
                    numbers[x] = Int32.Parse(tempNumber)
                    x++;
                    tempNumber = "";
                }
            }
        }
    }
    return numbers;
}