http://www.perlmonks.org?node_id=291661


in reply to Perl Idioms Explained - @ary = $str =~ m/(stuff)/g

Is there an "... Explained" that covers the extension of this to: 
  $howmanytimes = @ary = $str =~ m/(stuff)/g;
  # or perhaps better as 
  $howmanytimes = () = $str =~ m/stuff/g;

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which then goes to show you don't need the capturing parentheses in the match and .... I'll shut up.

In Section Meditations