Java tutorial
//package com.java2s; /* This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */ import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { /** * Remove xml comments from the xml string. * * @param xml * @return */ public static String stripXMLComment(CharSequence xml) { if (xml == null) { return null; } // option DOTALL: '.' matches newlines // use '.+?' in stead of '.*': non-greedy matching ("<!-- --> <important-stuff\> <!-- -->" is replaced with " <important-stuff\> ") Pattern p = Pattern.compile("<!--.+?-->", Pattern.DOTALL); //$NON-NLS-1$ Matcher m = p.matcher(xml); StringBuffer sb = new StringBuffer(); while (m.find()) { m.appendReplacement(sb, ""); //$NON-NLS-1$ } m.appendTail(sb); return sb.toString(); } }