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$byte = '';
if ($obj->{organization} =~ /^\s*$/)
{ $byte .= '0'; }
...
{ $byte .= '0'; }
else
{ $byte .= '1'; }

if ($byte =~ /1(0|1){3}0{3}(0|1)/)
{ do more checks against database }
...
{ do other checks against database }
else
{ produce error message }