var url:String = stage.loaderInfo.loaderURL;

var urlStart:Number = url.indexOf("://") + 3;

var urlEnd:Number = url.indexOf("/",urlStart);

var domain:String = url.substring(urlStart,urlEnd);

var LastDot:Number = domain.lastIndexOf(".") - 1;

var domEnd:Number = domain.lastIndexOf(".",LastDot) + 1;

domain = domain.substring(domEnd,domain.length);

 

var urls:Array=["armorgames.com", "www.armorgames.com"];

var site_good:int=0;

for (var i:int = 0; i < urls.length; i++) {

        if (domain == urls[i]) {

                site_good=1;

        }

}

var url:String = "http://bla.armorgames.com";

var pattern:RegExp = /^(?:.*?\.)?armorgames.com$/;

trace(url.match(pattern));