public static boolean isNumber(CharSequence value) {
		return NumberUtil.isNumber(value);
	}
@Test
	public void isNumberTest() {
		assertTrue(Validator.isNumber("45345365465"));
		assertTrue(Validator.isNumber("0004545435"));
		assertTrue(Validator.isNumber("5.222"));
		assertTrue(Validator.isNumber("0.33323"));
	}