URL url = new URL("http://www.montignac.com/it/ricerca-dell-indice-glicemico");
        HttpURLConnection http = (HttpURLConnection) url.openConnection();

        Scanner scanner = new Scanner(http.getInputStream());
        StringBuilder builder = new StringBuilder("");
        while(scanner.hasNextLine())
        {
            builder.append(scanner.nextLine());
            builder.append("\r\n");
        }

        Pattern pattern = Pattern.compile("<div class=\"item-title-tab\">(.+)</div>\r\n<div class=\"item-ig-tab\">IG (\\d+?)</div>");
        Matcher matcher = pattern.matcher(builder.toString());

        while(matcher.find())
        {
            System.out.println(matcher.group(1) + ";" + matcher.group(2));
        }