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by lizmat 2183 days ago
This is one if the reasons that the Perl 6 project started (now known as the Raku Programming Language). Raku only has three of these special (lexical) variables left:

  $_    the topic
  $/    result of the last match
  $!    the last exception caught
An overview: https://docs.raku.org/language/5to6-perlvar