Below is the content:
Subject: Security ID: S-1-5-21-3368353891-1012177287-890106238-22451 Account Name: ChamaraKer Account Domain:
But I need the match result to be ... not in a match group...
For what you are trying to do, this should work. \K resets the starting point of the match.
\K
\bObject Name:\s+\K\S+
You can do the same for getting your Security ID matches.
Security ID
\bSecurity ID:\s+\K\S+