/*license*\
XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)
This software is dual-licensed under the:
- Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
- Apache Software License (ASL) version 2.0.
Either license may be applied at your discretion. More information may be found at
- http://en.wikipedia.org/wiki/Multi-licensing.
The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
- LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
- ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package com.github.xbn.examples.regexutil.non_xbn;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
<p>Regex and non-regex example of finding the number of matches in a string.</p>
<p>{@code java com.github.xbn.examples.regexutil.non_xbn.BcdRegexXmpl}</p>
* @since 0.1.0
* @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
**/
public class BcdRegexXmpl {
public static final void main(String[] ignored) {
String sSentence = "abcd bcdd";
int iBcds = 0;
int iIdx = 0;
while(true) {
int iBcdIdx = sSentence.indexOf("bcd", iIdx);
if(iBcdIdx == -1) {
break;
}
iIdx = iBcdIdx + "bcd".length();
iBcds++;
}
System.out.println("Number of 'bcd's (no regex): " + iBcds);
//Alternatively
iBcds = 0;
//Same regex as @la-comadreja, with word-boundaries
//For multiple "bcd"-s in a single word, remove the "\\b"-s
Matcher m = Pattern.compile("\\b\\w*bcd\\w*\\b").matcher(sSentence);
while(m.find()) {
System.out.println("Found at index " + m.start());
iBcds++;
}
System.out.println("Number of 'bcd's (with regex): " + iBcds);
}
}