Calculator/1/1/1/1

Quiz question two! {What does " " mean in the below regex:

- The location the edit was made from - The size of the page after the edit + The size of the edit in bytes - The amount of lines that were removed from an article - The amount of changes the editor made in the span of one minute
 * type="" coef="5" }
 * You seem even more than tolerable, and you may now move on to the next level.