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Ant example source code file (Regexp.java)

This example Ant source code file (Regexp.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

buildexception, buildexception, regexp, regexp, regexpmatcher, replace_all, replace_first, replace_first, string, string

The Regexp.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file 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.
 *
 */
package org.apache.tools.ant.util.regexp;

import org.apache.tools.ant.BuildException;

/***
 * Interface which represents a regular expression, and the operations
 * that can be performed on it.
 *
 */
public interface Regexp extends RegexpMatcher {

    /**
     * Replace only the first occurrence of the regular expression
     */
    int REPLACE_FIRST          = 0x00000001;

    /**
     * Replace all occurrences of the regular expression
     */
    int REPLACE_ALL            = 0x00000010;

    /**
     * Perform a substitution on the regular expression.
     * @param input The string to substitute on
     * @param argument The string which defines the substitution
     * @param options The list of options for the match and replace. See the
     *                MATCH_ and REPLACE_ constants above.
     * @return the result of the operation
     * @throws BuildException on error
     */
    String substitute(String input, String argument, int options)
        throws BuildException;
}

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