@Test
public void testExtractLinksHttp() {

    List<String> links = RegexUtils.extractLinks(
            "Test with http://www.nutch.org/index.html is it found? " +
            "What about www.google.com at http://www.google.de " +
            "A longer URL could be http://www.sybit.com/solutions/portals.html");
      
    assertTrue("Url not found!", links.size() == 3);
    assertEquals("Wrong URL", "http://www.nutch.org/index.html", links.get(0));
    assertEquals("Wrong URL", "http://www.google.de", links.get(1));
    assertEquals("Wrong URL", "http://www.sybit.com/solutions/portals.html", links.get(2));
}