A Gem for parse and validate personal info in id card no of chinese mainland. It supports 15 and 18 characters long card no.

中文文档 Chinese document

Add this line to your application's Gemfile:

gem 'chinese_id_card'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install chinese_id_card

valid_card_no = "37142819800508053x"
card = ChineseIdCard::Card.new(valid_card_no).parse!

p card.age # => 41
p card.gender # => "male" (The value of gender can be "male" or "female")
p card.birth_date # => #<Date: 1980-05-08 ((2444368j,0s,0n),+0s,2299161j)>

card_no_with_invalid_length = "37142819800508053x123"
ChineseIdCard::Card.new(card_no_with_invalid_length).parse! # => raise ChineseIdCard::CardNoLengthInvalidError

card_no_with_invalid_format = "a7142819800508053x"
ChineseIdCard::Card.new(card_no_with_invalid_format).parse! # => raise ChineseIdCard::CardNoFormatInvalidError

valid_card_no = "37142819800508053x"
card = ChineseIdCard::Card.new(valid_card_no)
p card.valid? # => true

card_no_with_invalid_length = "37142819800508053x123"
card = ChineseIdCard::Card.new(card_no_with_invalid_length) 
p card.valid? # => false

card_no_with_invalid_format = "a7142819800508053x"
card = ChineseIdCard::Card.new(card_no_with_invalid_format)
p card.valid? # => false

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/chinese_id_card. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

Everyone interacting in the ChineseIdCard project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.