public static void main(String[] args) {
		if (args.length < 2) {
			System.out.println("Usage:\njava TestRegularExpression "
					+ "characterSequence regularExpression+");
			System.exit(0);
		}
		System.out.println("Input: \"" + args[0] + "\"");
		for (String arg : args) {
			System.out.println("Regular expression: \"" + arg + "\"");
			Pattern p = Pattern.compile(arg);
			Matcher m = p.matcher(args[0]);
			while (m.find()) {
				System.out.println("Match \"" + m.group() + "\" at positions "
						+ m.start() + "-" + (m.end() - 1));
			}
		}
	}