Java tutorial
//package com.java2s; /* * Licensed to Jrg Prante and xbib under one or more contributor * license agreements. See the NOTICE.txt file distributed with this work * for additional information regarding copyright ownership. * * Copyright (C) 2012 Jrg Prante and xbib * * 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 USA. * * The interactive user interfaces in modified source and object code * versions of this program must display Appropriate Legal Notices, * as required under Section 5 of the GNU Affero General Public License. * * In accordance with Section 7(b) of the GNU Affero General Public * License, these Appropriate Legal Notices must retain the display of the * "Powered by xbib" logo. If the display of the logo is not reasonably * feasible for technical reasons, the Appropriate Legal Notices must display * the words "Powered by xbib". */ import java.util.regex.Pattern; public class Main { private final static Pattern invalidXml10 = Pattern .compile("[^\u0009\n\r\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF]"); public static CharSequence sanitizeXml10(CharSequence sequence) { if (sequence == null) { return null; } if (sequence.length() == 0) { return sequence; } return invalidXml10.matcher(sequence).replaceAll("\uFFFD"); } }