public static String escape(String input) {
		if (input == null) {
			return "null";
		}
		if (ALFA_NUMERIC.matcher(input).matches()) {
			return input;
		}
		return input.replaceAll("\\W", ".");
	}
@Test
	void escape() {
		assertThat(LogUtils.escape("Guest'%0AUser:'Admin")).isEqualTo("Guest..0AUser..Admin");
	}