Assuming /Time_Stamp/i really means /^Time_Stamp\z/i, 

my @array = ...;

my %dispatch = (
   time_stamp => sub {
      @time = split (/-/, $array[1]);
      $date_submited = $time[0];
      $time_submited = $time[1];    
   },

   ...
);

my $func = $dispatch{lc($array[0])};
if ($func) {
   $func->();
} else {
   ...
}

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In reply to Re^3: Case Statement by ikegami
in thread Case Statement by phimtau123

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