public String mergeURLs(String baseURL, String pageURL) { if (pageURL.indexOf("http://") != -1 || pageURL.indexOf("https://") != -1) return pageURL; // Suche nach ../ in den pageURLs String regex = "^(\\.\\.\\/).*"; //String regex = "\\.\\.\\//g"; Pattern pat = new Pattern(regex, REFlags.IGNORE_CASE); System.out.println(pageURL); Matcher mat = pat.matcher(pageURL); //mat.find(); int groupCount = mat.groupCount(); System.out.println(groupCount); return ""+mat.matches(); }