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  1. or download this
    my $stri="abctest";
    
    ...
     
    }
    
  2. or download this
    The string in part:
    ab
    The string in part:
    abc
    
  3. or download this
    if ($third_char ne 'c' || $third_char ne 'd'){
    $part=substr($stri,0,2);