Rated 3 out of 5 stars
I got this extension to do regex searches. Which it does... except for stuff like fr:!workdomain.com
I've tried multiple gyrations, and I can NOT get it to display everything that *didn't* come from *.workdomain.com (eg all outside emails). This is annoying.
So the regex implementation is inadequate.
Yes, Tokens like ['simple', 'regex', 'headerre', 'bodyre', 'fromre', 'tore'] should be the last one and has no "NOT" searches.
But if you only need to filter out email from internal, a normal "from" filter is enough:
If you really want to use regex, you can try: