// which is correct for matching literal + in regex
        String svgMimetype = "image/svg+xml";
        assertTrue(svgMimetype.matches(xmlLoadedPattern));
    }

    @Test
    public void test_svgMimetypePatternVariants() {
        // Test different representations of the SVG pattern to understand escaping
        String svgMimetype = "image/svg+xml";

        // Pattern with single backslash (14 chars): should match