It would be great to have a checkbox on the Search & Replace window that would allow to use a Regex for searching instead of the exact string search (with the options of case sensitive and whole whord only). Imagine you have good sized project and you want to search for places where you have used the instance_create_layer function for objects created in an "Enemy" layer. Since there are 2 parameters (x and y) before the layer one, right now you have no choice but to search for all the usages of instance_create_layer, and read every entry so you can see where you used "Enemy". With a regex you could filter out results by using something like this: instance_create_layer(.*,.*,\s*"Enemy", as the search string, saving you the time of going through the results and filtering them out yourself. It'd be awesome to have this functionality!