tinymce plugin for wp_audio

(function() {
	var DOM = tinymce.DOM;
	var each = tinymce.each;
	// Load plugin specific language pack
	tinymce.PluginManager.requireLangPack('wordpress');

	tinymce.create('tinymce.plugins.WPAudio', {
		init : function(ed, url) {
			
			ed.onPostProcess.add(function(ed, o) {
				if (o.get)
					o.content = o.content.replace(/<a href=\"((http|https):\/\/([a-z0-9]+)[\-\.]?([a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?[\/\?][[\S]*]?)?)\">.+<\/a>/g, function(tag, url, protocol) {
						if(url.match(/.+\.mp3$/))
							return '[wpaudio: url="' + url + '"]';
						return tag;
					});
			});
			
		}
	});
	
	tinymce.PluginManager.add('wp_audio', tinymce.plugins.WPAudio);
})();