Here you can find the source of wildcardToRegex(final String pattern)
public static String wildcardToRegex(final String pattern)
//package com.java2s; /*/*from w w w . jav a 2s . c o m*/ * * Copyright 2012-2014 Eurocommercial Properties NV * * * 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 { public static String wildcardToRegex(final String pattern) { if (pattern == null) { return null; } return pattern.replace("*", ".*").replace("?", "."); } }