function ytVidId(url) {
  var p = /^(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/;
  return (url.match(p)) ? RegExp.$1 : false;
}

var videos_all = response._embedded.videos;
var videos_all_arr = [];
jQuery.each( videos_all, function( i, v ){
    if(ytVidId(v._links.self.href))
    videos_all_arr.push(v._links.self.href + '<br/>');
});