When creating an alarm policy using a regex statement and attempting to save it. We receive a "failure executing action - Request failed with Status code 500).
Regex is longer than 256 characters.
Release : 20.3
Component : UIM - OPERATOR CONSOLE
This regex field is designed with a limit of 256 characters. Anything over that will generate this error. You can break the longer regex filter into smaller strings to use in other conditions of the same policy.