Fix #3637: Bookmarklet fails on artstation for some posts.

app/logical/sources/strategies/art_station.rb

@@ -7,10 +7,10 @@ module Sources::Strategies
     end
 
     # https://www.artstation.com/artwork/04XA4
-    # https://dantewontdie.artstation.com/projects/YZK5q
     # https://www.artstation.com/artwork/cody-from-sf
+    # https://sa-dui.artstation.com/projects/DVERn
     def self.project_id(url)
-      if url =~ %r!\Ahttps?://\w+\.artstation\.com/(?:artwork|projects)/(?<project_id>[a-z0-9-]+)\z!i
+      if url =~ %r!\Ahttps?://[a-z0-9-]+\.artstation\.com/(?:artwork|projects)/(?<project_id>[a-z0-9-]+)\z!i
         $~[:project_id]
       else
         nil