public static String getDes(final String htmlContent) {
		String des = null;
		String regex_des = "<meta name=[\"]{0,1}[Dd]escription[\"]{0,1} content=[\"]{0,1}(.*?)[ ]{0,1}[\"]{0,1}[ ]{0,1}[/]{0,1}[ ]{0,1}>";
		Pattern p_des = Pattern.compile(regex_des, Pattern.DOTALL);
		Matcher m_des = p_des.matcher(htmlContent);
		while (m_des.find()) {
			des = m_des.group(1);
		}
		if (des == null) {
			des = HtmlParser.getContent(htmlContent);
		}
		return des;
	}