Java tutorial
//package com.java2s; /** * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved. * * 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 java.util.HashMap; import java.util.Map; import java.util.Map.Entry; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { private static final Map<Pattern, Object> emoticons = new HashMap<Pattern, Object>(); public static boolean containsKey(String key) { boolean b = false; for (Entry<Pattern, Object> entry : emoticons.entrySet()) { Matcher matcher = entry.getKey().matcher(key); if (matcher.find()) { b = true; break; } } return b; } }