Reroute emails with certain keywords in the subject - using regex

Summary

Prioritising the email system basing on the keywords in the subject - Manage Service Assignment Rules

Content

Hello everyone,

Would like some input in regex formatting.

I'm creating rules, in Manage Service Assignment Rule, to route the emails to a specific queue according to keywords in the subject of the email, so for example, when the email contains Urgent, Important, etc, it should go to queue Priority, if it doesn't contain those words it should go to Non-Priority queue.

I already have a formating to accept those keywords: (?i)(AAAA|BBBB|CCCC)(?-i).*

For rules, we have something like this: