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/**
 * Copyright (c) 2011-2014, hubin ([email protected]).
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.baomidou.framework.common.util;

/**
 * 
 * HTML工具类
 * 
 * 
 * @author hubin
 * @Date 2016-04-16
 */
public class HtmlUtil {

	public static final String RE_HTML_MARK = "(<.*?>)|(<[\\s]*?/.*?>)|(<.*?/[\\s]*?>)";
	public static final String RE_SCRIPT = "<[\\s]*?script[^>]*?>.*?<[\\s]*?\\/[\\s]*?script[\\s]*?>";

	/**
	 * 还原被转义的HTML特殊字符
	 * 
	 * @param htmlStr
	 *            包含转义符的HTML内容
	 * @return 转换后的字符串
	 */
	public static String restoreEscaped(String htmlStr) {
		if (htmlStr == null || "".equals(htmlStr)) {
			return htmlStr;
		}
		return htmlStr.replace("<", "<").replace("<", "<").replace(">", ">").replace("&", "&")
				.replace(""", "\"").replace("'", "'").replace(" ", " ");
	}
}