/*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.Pattern;
import java.util.regex.Matcher;
/**
<p>Remove the color from multiple input lines, where colors are in a specific column--using no loops.</p>
<p>{@code java com.github.xbn.examples.regexutil.non_xbn.RemoveColorFromCarLinesNoLoops}</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 RemoveColorFromCarLinesNoLoops {
public static final void main(String[] ignored) {
//Add colors as necessary
String sColorsNonCaptureOr = "(?:Blue|Red|Purple|Inferno Red)";
String sRegex = "" +
"^(\\d+ )" + //one-or-more digits, then one space
sColorsNonCaptureOr + //color
" (.+)$"; //Everything after the color (space uncaptured)
String sRplcWith = "$1$2";
//"": Unused search-string, so matcher can be reused.
Matcher m = Pattern.compile(sRegex).matcher("");
String sColorRemoved1 = removeColorFromCarLine(m, "04 Blue Honda Accord", sRplcWith);
String sColorRemoved2 = removeColorFromCarLine(m, "12 Inferno Red Chevrolet Tahoe", sRplcWith);
String sColorRemoved3 = removeColorFromCarLine(m, "10 Purple Ford Taurus", sRplcWith);
}
private static final String removeColorFromCarLine(Matcher mtchr, String orig_carLine, String rplc_with) {
mtchr.reset(orig_carLine);
if(!mtchr.matches()) {
throw new IllegalArgumentException("Does not match: \"" + " + orig_carLine + " + "\", pattern=[" + mtchr.pattern() + "]");
}
//Since it matches(s), this is equivalent to "replace the entire line, as a whole"
String s = mtchr.replaceFirst(rplc_with);
System.out.println(orig_carLine + " --> " + s);
return s;
}
}