Instead of passing around regexes, pass around matching subroutines. Then you can do: 

  
  my $match   = sub { $_[0] =~ /.../ };
  my $negated = sub { not $match->(@_) };

[download]

Now that's some Higher Order Perl I can live with!

-sam

In reply to Re: Negation/Complement of a Regex by samtregar
in thread Negation/Complement of a Regex by geekondemand

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