Java tutorial
//package com.java2s; /* * Copyright 2016 - 2017 OpenCT open source class table * * 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. */ import android.text.TextUtils; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static String infoParser(int idx, String re, String[] contents) { if (idx < contents.length && idx >= 0) { String content = contents[idx]; if (!TextUtils.isEmpty(re)) { Matcher matcher = Pattern.compile(re).matcher(content); if (matcher.find()) { content = matcher.group(); } } return content; } else { return ""; } } }