Your example does not really require the `@`. Anyway, what you could do is to try to install the filtaquilla addon (https://quickfilters.quickfolders.org/filtaquilla.html) and try the "header regexp match" search term. Unfortunately, multiple "dialec...
There are multiple workarounds:1. The QuickFilters addon provides this functionality. Obviously, it would be better, if we had this in TB core.2. You can go to your TB profile folder via `preferences > help > more troubleshooting information > about:...
