Regex get username ssh

Hi all,
I had message: “Starting User Slice of david.”

I want use regex get username is david,
My regex: ^.+Starting User Slice of (.+).
But don’t work.

Help me,
Thanks.

I resolved,
thanks all.

Most hated users are those ‘I resolved’ and nothing more

you are right @Karlis - but a kind way would have been:

@davidkakana nice that you have solved your issue, would you mind to share your solution with the community so that others can learn from your step forward.

thx