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/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.util.regex.*;
/**
* Quick demo of RE substitution: correct "demon" and other
* spelling variants to the correct, non-satanic "daemon".
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: ReplaceDemo.java,v 1.5 2004/02/09 03:33:42 ian Exp $
*/
public class ReplaceDemo {
public static void main(String[] argv) {
// Make an RE pattern to match almost any form (deamon, demon, etc.).
String patt = "d[ae]{1,2}mon"; // i.e., 1 or 2 'a' or 'e' any combo
// A test input.
String input = "Unix hath demons and deamons in it!";
System.out.println("Input: " + input);
// Run it from a RE instance and see that it works
Pattern r = Pattern.compile(patt);
Matcher m = r.matcher(input);
System.out.println("ReplaceAll: " + m.replaceAll("daemon"));
// Show the appendReplacement method
m.reset();
StringBuffer sb = new StringBuffer();
System.out.print("Append methods: ");
while (m.find()) {
m.appendReplacement(sb, "daemon"); // Copy to before first match,
// plus the word "daemon"
}
m.appendTail(sb); // copy remainder
System.out.println(sb.toString());
}
}
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