You say the data looks like machine1-basement.xyz.com but the pattern /[\w]*\-[\w]*/ (or more simply /\w*-\w*/) will only match the string machine1-basement, not the whole domain name.

You probably need something like this: 

open SOURCETNS, '<', "/home/$User/Work/PROJ/$sourceTnsFileName" or die
+ "Cannot open '/home/$User/Work/PROJ/$sourceTnsFileName' because: $!"
+;

while ( my $record = <SOURCETNS> ) {
    push @sourceDBHostsFromTnsEntry, $record =~ /HOST=(\S+-\S+)/g;
    push @sourceDBPortsFromTnsEntry, $record =~ /PORT=(\d+)/g;
    }
close SOURCETNS;

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In reply to Re: Am I doing Greedy Matching? by jwkrahn
in thread Am I doing Greedy Matching? by vishi

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