Validate_and_prepare_youtubeURL

//function to prepare the youtube embeded Url to use in iFrame src
$scope.trustSrc = function(src) {
  var url = src.replace("watch?v=", "embed/");
  url = src.replace("youtu.be/", "youtube.com/embed/"); //if cpied link by youtube app
  return $sce.trustAsResourceUrl(url);
}
  
//validate a youtube Url  
$scope.validateYoutubeUrl = function (url)
{
	if(url == null){
		console.log("Not Valid Url...");
		return false;
	}

  var regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=|\?v=)([^#\&\?]*).*/;
  var match = url.match(regExp);
  if (match && match[2].length == 11) {
      // Do anything for being valid
			console.log("Valid URL...");
      return true;
  }
  else {
      // Do anything for not being valid
			console.log("Not Valid Url...");
			return false;
  }

}