# Rule "ProhibitUselessRegex"

 !$var =~ ...
 $var  != qr//
 $var  != m{}

# Rule "ProhibitUselessTopic"

  Original, plus erlaubt:

  * Funktionen aus List::Util
  * https://github.com/Perl-Critic/Perl-Critic/issues/830
  * https://github.com/Perl-Critic/Perl-Critic/issues/829

# Rule "UnnecessaryShellCommand"

  https://github.com/Perl-Critic/Perl-Critic/issues/839