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

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Perl » String » 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' i($x & ~$x);
print '$y is in string format' i($y & ~$y);

   
    
    
    
    
  
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