Java tutorial
//package com.java2s; /* * Copyright 2007-2013 Ben Galbraith. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { private static String normalizeSelector(String selector) { while (selector.indexOf(" ") != -1) { selector = selector.replaceAll(" ", " "); } selector = selector.replaceAll(" \\+ ", "\\+"); selector = selector.replaceAll(" \\> ", "\\>"); return selector; } }