public static void getAuthorizationCodeFromUserInput() {
		boolean goodInput = false;
		Scanner scanSelection = new Scanner(System.in);
		String input = null;

		while (!goodInput) {

			// prompts for authorization code and gets user input as String
			System.out.print("PROMPT:\tPaste in your authorization code: ");
			input = scanSelection.nextLine().toLowerCase();

			// bad input, loop again
			if (!input.matches("^[A-Za-z0-9]+$")) {
				continue;
			}

			goodInput = true;
		}

		authorizationCode = input;
	}