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

     */
    public static boolean hasExtensionIgnoresCase(String fileName, String extension) {
        return endsWithIgnoreCase(fileName, extension);
    }

    private static boolean endsWithIgnoreCase(String subject, String suffix) {
        return subject.regionMatches(true, subject.length() - suffix.length(), suffix, 0, suffix.length());
    }

    /**

     *
     * @param target1
     *            テキスト
     * @param target2
     *            比較する文字列
     * @return 大文字小文字を無視して特定の文字で終わっていれば{@literal true}
     */
    public static boolean endsWithIgnoreCase(final String target1, final String target2) {
        if (target1 == null || target2 == null) {
            return false;
        }
        final int length1 = target1.length();