String str = "xxxx/yyyyy@zzzzzz";
        String regex = "\\/|\\@";
        String[] strs = str.split(regex);
        
        for(String s: strs)
        {
            System.out.println(s);
        }

        String str = "xxxx/yyyyy@zzzzzz";
        String regex = "\\/.*?\\@";
        
        Pattern p = Pattern.compile(regex);
        Matcher m = p.matcher(str);
        
        while(m.find())
        {
            System.out.println(str.substring(m.start() + 1, m.end() - 1));
        }

        Pattern pat = Pattern.compile("/(.+?)@");
        Matcher mat = pat.matcher("xxxxx/yyyyy@zzzzzz ");
        while (mat.find()) {
            System.out.println(mat.group(1));
        }