/*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; } }