删除HTML里的a href标签

String aHrefRegex = "<a[^<>]*?\\shref=['\"]?(.*?)['\"].*?>";
String content = "  <li class=\"active\">\n" +
"                <a href=\"http://www.tuicool.com/a/\">\n" +
"                  文章\n" +
"                </a>\n" +
"              </li>     ";
System.out.println(content.replaceAll(aHrefRegex,""));

public static String removeHref(String content){
Document document = Jsoup.parse(content);
Elements elements = document.select("a[href]");
for(Element el:elements){
el.removeAttr("href");
}
return document.html();
}