Search sites by mask?

Question

Google

Good!
Is there an alternative to Google search for sites by mask, such as:
site: *test.org or
https://www.google.ru/search?q=site%3A+*test.org&o... That
is, to find sites (not domains but active sites) by mask?
Unfortunately, Google's functionality has been cut down, let's say so.
Thanks to!
PS: the services indicated in the alternative questions do not work!

Answer 1

https://www.google.com.ua/search?q=site%3A*test.org
site:without_space_mask
You have
https://www.google.com.ua/search?q=q=site%3A+* test.org