Using ~ operator to check if a scalar is a string type variable : String « String « Perl

1. Perl
2. String
3. String

Using ~ operator to check if a scalar is a string type variable

     

$x = 111;
$y = "This is a string";
print '$x is in string format' if ($x & ~$x);
print '$y is in string format' if ($y & ~$y);

   
    
    
    
    
  

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