#http://en.wikipedia.org/wiki/National_identification_number pl: length: 11 regexp: '(?\d{2})(?\d{2})(?\d{2})(?\d{4})(?\d{1})' weights: '1379137913' 'no': length: 11 regexp: '(?\d{2})(?\d{2})(?\d{2})(?\d{3})(?\d{2})' weights1: '376189452' #provides multiplying weights for the sum of digits to compute a first control digit weights2: '5432765432' #provides multiplying weights for the sum of digits to compute a second control digit