JP: {
      account_number: {format: '1234567', regexp: '[0-9]{6,8}', test_regexp: '[0-9]{6,8}' },
      routing_1: {title: "bank_code", format: '0123', regexp: '[0-9]{4}', test_regexp: '[0-9]{4}'},
      routing_2: {title: "branch_code", format: '456', regexp: '[0-9]{3}', test_regexp: '[0-9]{3}'},
      separator: "",