public static String delAll(String regex, CharSequence content) {
		if (StrUtil.hasEmpty(regex, content)) {
			return StrUtil.str(content);
		}

		final Pattern pattern = PatternPool.get(regex, Pattern.DOTALL);
		return delAll(pattern, content);
	}
@Test
	public void issueI6GIMTTest(){
		assertEquals(StrUtil.EMPTY, ReUtil.delAll("[\\s]*", " "));
	}