Performs a debit or a credit card number validitation in accordance with the Luhn algorithm. Also, if it is possible, determines the name of the bank that has been issued the card.
Ruby 3.*
- Visa
- Masteracrd
- SberBank
- AlfaBank
- Raifaizen
- Kaspi
- Tinkoff
- MIR
- AMEX
- Discover
gem install bundler
bundle
chmod +x app.rb
bundle exec rspec
% ./app.rb
Usage example:
./app.rb 5425233430109903
Valid card. Type: MasterCard
Enjoy!