rb-mynumber

Add this line to your application's Gemfile:

gem 'rb-mynumber'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rb-mynumber

require 'mynumber'
# 個人番号の要件を満たしている場合
MyNumber.individual_number?('895980423139') # => true
# 個人番号の要件を満たしていない場合
MyNumber.individual_number?('895980423138') # => false

# 法人番号の要件を満たしている場合
MyNumber.corporate_number?('2010001163289') #=> true
# 法人番号の要件を満たしていない場合
MyNumber.corporate_number?('2010001163285') #=> false

Bug reports and pull requests are welcome on GitHub at https://github.com/ninoseki/rb-mynumber. This project is intended to be a safe,w welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

The gem is available as open source under the terms of the MIT License.