whole_func_string: function parseId$1(url) {
  	  if (is$1.empty(url)) {
  	    return null;
  	  }
  
  	  var regex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|&v=)([^#&?]*).*/;
  	  return url.match(regex) ? RegExp.$2 : url;
  	}
func_code_string: function parseId$1(url) {
  	  if (is$1.empty(url)) {
  	    return null;
  	  }
  
  	  var regex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|&v=)([^#&?]*).*/;
  	  return url.match(regex) ? RegExp.$2 : url;
  	}
func_documentation_string: ==========================================================================