Fix https://github.com/zurb/foundation-sites/issues/8572
> [Dropdown] Horizontal position does not work with additional classes
getPositionClass() {
var verticalPosition = this.$element[0].className.match(/(top|left|right|bottom)/g);
verticalPosition = verticalPosition ? verticalPosition[0] : '';
- var horizontalPosition = /float-(.+)\s/.exec(this.$anchor[0].className);
+ var horizontalPosition = /float-(\S+)\s/.exec(this.$anchor[0].className);
horizontalPosition = horizontalPosition ? horizontalPosition[1] : '';
var position = horizontalPosition ? horizontalPosition + ' ' + verticalPosition : verticalPosition;
return position;