Created
February 18, 2015 17:58
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Проверка валидности ИНН юрлица на Ruby (согласно http://www.egrul.ru/test_inn.html)
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| def valid_le_tax_id? (tax_id) | |
| tax_id = tax_id.to_s.split('') | |
| weights = [2,4,10,3,5,9,4,6,8,0] | |
| sum = tax_id.each_with_index.reduce(0){|result,item| | |
| result += item[0].to_i * weights[item[1]] | |
| }%11%10 | |
| return sum == tax_id[9].to_i | |
| end |
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