Search using regex

Graylog Central (peer support)
,
3

This regular expression
([\w-]+$)
works with java regex tester

but the same regular expression gives error in graylog search EventID:4624 AND TargetUserName:([\w-]+$)
Failed to parse query [EventID:4624 AND TargetUserName:([\w-]+$)]
Failed to parse query [EventID:4624 AND TargetUserName:([\w-]+$)]
Failed to parse query [EventID:4624 AND TargetUserName:([\w-]+$)]