One thing that might speed up your code is to use a compiled regex: 

  my $search = qr/--\s*USER\s+\d+\s*-\s*(\w+)/;
  foreach $line (@site) {
    next unless ( $line =~ $search );
    $user = $1;
  }

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In reply to Re: Regex simplification by ehdonhon
in thread [untitled node, ID 192753] by Samn

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