You just need to capture that section and assign it to the hash. A capture is indicated by parentheses, and the results are stored in $1 - $9. So, try: 

if ($_ =~ m/.*(PNODE:\w*)/) # \w* assuming you want alphanumeric chars
+.
        {
            $PNODES{$1} = 1;
        }

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In reply to Re: Retrieving specific word from a line of text. by djantzen
in thread Retrieving specific word from a line of text. by gnu@perl

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