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  1. or download this
    #!/usr/bin/env perl
use strict;
...
$x =~ s/(\([^(]*?\))\'/\!$1/g;

print "Calculated: ",$x,"\n";
  2. or download this
    Given: ((A & B)' | (A & C & (A & B & D)'))
Calculated: (!(A & B) | (A & C & !(A & B & D)))