/*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.Iterator; import java.io.File; import java.io.IOException; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.io.FileUtils; /** <p>Reusing a single matcher object, read in a text file, and match every word in every line.</p> <p>{@code java com.github.xbn.examples.regexutil.non_xbn.MatchEachWordInEveryLine xbn\examples\text\regex\text_to_word_iterate.txt}</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 MatchEachWordInEveryLine { public static final void main(String[] as_1RqdTxtFilePath) { Iterator<String> lineItr = null; try { lineItr = FileUtils.lineIterator(new File(as_1RqdTxtFilePath[0])); //Throws npx if null } catch(IOException iox) { throw new RuntimeException("Attempting to open \"" + as_1RqdTxtFilePath[0] + "\"", iox); } catch(RuntimeException rx) { throw new RuntimeException("One required parameter: The path to the text file.", rx); } //Dummy search string (""), so it can be reused (reset) Matcher mWord = Pattern.compile("\\b\\w+\\b").matcher(""); while(lineItr.hasNext()) { String sLine = lineItr.next(); mWord.reset(sLine); while(mWord.find()) { System.out.println(mWord.group()); } } } }