public static List splitExpr(String exp){
                List list = new ArrayList();

                StringTokenizer stoken = new StringTokenizer(exp, "+-/* ", true);
                while(stoken.hasMoreTokens()){
                    String token = stoken.nextToken();
                    list.add(token);
                }
                return list;
            }
            

            String pattern = "([a-z]+).([a-zA-Z-]+)(/)";
            String[] strArr = {
                            "www.google.com/search?q=goog/nice",
                            "http://www.google.msn.ca/a/b/c/d"
                            };
                Pattern r = Pattern.compile(pattern);
                for(int i=0; i < strArr.length; i++) {
                    Matcher mat = r.matcher(strArr[i]);
                    if(mat.find()) {
                        System.out.println("Found value: " + mat.group(1) );
                    }
                }
                    
           }