Am I missing something? 
  print 
   q|^.*(??{                                    })\z| =~
   m|^.*(??{$&ne'^.*(??{'.substr($&,7,36).'})\z'})\z|

  # outputs 1

[download]
Update to japhy's update: In that case, why not simply: 
  $re = q{^.*(??{$&ne$re&&'(?!)'})\z};

[download]
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

In reply to Re: Re: japhy has met his match by MeowChow
in thread japhy has met his match by japhy

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