Java Wildcard to Regex wildcardToJavaRegexp(String expr)

Description

wildcard To Java Regexp

License

Apache License

Declaration

public static String wildcardToJavaRegexp(String expr) 

Method Source Code

//package com.java2s;
/*//  ww w .j a  v a 2s.c o  m
 * Copyright 2014 Red Hat, Inc.
 *
 * 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 wildcardToJavaRegexp(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. wildcardToJavaRegex(String expr)
6. wildcardToRegex(CharSequence s)
7. wildcardToRegex(final String input)
8. wildcardToRegex(final String pattern)
9. wildcardToRegex(String toSearch, boolean supportSQLWildcard)