Java Wildcard to Regex wildcardToJavaRegex(String expr)

Description

wildcard To Java Regex

License

Open Source License

Declaration

public static String wildcardToJavaRegex(String expr) 

Method Source Code

//package com.java2s;
/*/*from www.j a v a2 s .co m*/
 * JBoss, Home of Professional Open Source.
 * Copyright 2015, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

public class Main {
    public static String wildcardToJavaRegex(String expr) {
        if (expr == null) {
            throw new IllegalArgumentException("expr is null");
        }
        String regex = expr.replaceAll("([(){}\\[\\].+^$])", "\\\\$1"); // escape regex characters
        regex = regex.replaceAll("\\*", ".*"); // replace * with .*
        regex = regex.replaceAll("\\?", "."); // replace ? with .
        return regex;
    }
}

Related

1. wildcard2Regex(final String wildcard)
2. wildcard2regexp(String wildcard)
3. wildcardAsRegex(String patternWithWildcards)
4. wildcardAsRegex(String wildcard)
5. wildcardToJavaRegexp(String expr)
6. wildcardToRegex(CharSequence s)
7. wildcardToRegex(final String input)
8. wildcardToRegex(final String pattern)