I see, yes something is not feeling right here, @nbianca can probably have a look in a week or so.
We have DiscourseConnect → https://meta.discourse.org/t/13045
- DiscourseConnect , @DiscourseConnect, #DiscourseConnect DiscourseConnect.com.com.fff, DiscourseConnect!
I guess the gap here is that @ and # should be treated as part of the word and #DiscourseConnect should not be auto linked?