Java tutorial
//package com.java2s; /* * Licensed to the soi-toolkit project under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The soi-toolkit project licenses this file to You 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. */ import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { /** * Search for patterns [key=value] and returns the value given the key. * * @param key * @param string * @return */ public static String lookupParameterValue(String key, String string) { Pattern p = Pattern.compile("\\[" + key + "=[^\\]]*\\]"); Matcher m = p.matcher(string); m.find(); String f = m.group(); int p1 = f.indexOf('='); int p2 = f.indexOf(']'); return f.substring(p1 + 1, p2); } }