Here you can find the source of datePatternPattern(String appenderPrefix)
public static Pattern datePatternPattern(String appenderPrefix)
//package com.java2s; /**/*from ww w . ja va 2s .c o m*/ * Copyright ? 2012 Alcatel-Lucent. * * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * Licensed 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.Pattern; public class Main { public static final String datePatternPatternString = "([-_yMdHm]+)"; public static Pattern datePatternPattern(String appenderPrefix) { return Pattern.compile( "(^\\s*" + appenderPrefix + "\\.DatePattern\\s*=\\s*'\\.')" + datePatternPatternString + "\\s*$"); // DatePattern value must start with '.' } }