JAVA去除A标签和IMG标签

public static void main(String[] args) {
String contentString = "sdfsd abc---abc <a href='http://www.hao123.com'>" +
"http://www.hao123.com</a><img title='img' src='abc' />" +
"sdfsdfds";
contentString=contentString.replaceAll("<a href[^>]*>", "");
contentString=contentString.replaceAll("</a>", "");
contentString=contentString.replaceAll("<img[^>]*/>", " ");
System.out.println(contentString);
}