/****** pull out style tag from html *****/
Pattern p = Pattern.compile("<style>([\s\S]+?)</style>");
Matcher m = p.matcher(validHTML);

// if we find a match, get the group
if (m.find()) {

// get the matching group
    codeGroup = m.group(1);
}
/****** block for checking all css for validity *****/

InternalPolicy policy = null;
try {
    policy = (InternalPolicy) InternalPolicy.getInstance("antisamy-ebay.xml");
} catch (PolicyException e) {
    e.printStackTrace();
}
ResourceBundle messages = ResourceBundle.getBundle("AntiSamy", Locale.getDefault());

CssScanner scanner = new CssScanner(policy, messages);
CleanResults results = scanner.scanStyleSheet(codeGroup, Integer.MAX_VALUE);
validCSS = results.getCleanHTML().toString();