* @param target2
     *            the substring to compare
     * @return {@literal true} if the string ends with the specified substring, ignoring case
     */
    public static boolean endsWithIgnoreCase(final String target1, final String target2) {
        if (target1 == null || target2 == null) {
            return false;
        }
        final int length1 = target1.length();

        assertTrue(StringUtil.endsWithIgnoreCase("setHogeAaa", "Aaa"));
        assertTrue(StringUtil.endsWithIgnoreCase("setHogeAaa", "aaa"));
        assertTrue(StringUtil.endsWithIgnoreCase("aaa_hoge", "HOge"));
        assertFalse(StringUtil.endsWithIgnoreCase("setHogeaa", "Aaa"));
        assertFalse(StringUtil.endsWithIgnoreCase("aa", "Aaa"));
    }

    /**
     * @throws Exception