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  1. or download this
    $regex = qr/(test)foo/i;
#then to use it
$var =~ $regex;
  2. or download this
    $regex = '(test)foo';
#but then to call it you must do
$var =~ /$regex/;
  3. or download this
    #!/usr/bin/perl -w

...
print REPORT "Total doc2: $totaldoc2\n";
close(LOG);
close(REPORT);