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strange constants.pm warning

by misterperl (Monk)
on Aug 30, 2021 at 17:35 UTC ( #11136227=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
     if ($name =~ /^_?[^\W_0-9]\w*\z/ and !$forbidden{$name}) {
    
  2. or download this
    <DBG>b 52 $name !~ /^_?[^\W_0-9]\w*\z/
    
  3. or download this
    <DBG>x $name =~ /^_?[^\W_0-9]\w*\z/
    1
    
  4. or download this
      DB<4> x $name !~ /^_?[^\W_0-9]\w*\z/
    0  ''
    
  5. or download this
    <DBG>b 52 ! $name =~ /^_?[^\W_0-9]\w*\z/
    

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