public static String toCamelCase(CharSequence name) {
		return toCamelCase(name, CharUtil.UNDERLINE);
	}
@Test
	public void issue3031Test() {
		String camelCase = NamingCase.toCamelCase("user_name,BIRTHDAY");
		assertEquals("userName,birthday", camelCase);

		camelCase = NamingCase.toCamelCase("user_name,BIRTHDAY", '_', false);
		assertEquals("userName,BIRTHDAY", camelCase);
	}