CreditCardValidator

CreditCardValidator helps you implementing validations for the most common credit card brands, verifying length, prefixes and checking the card number through the Luhn algorithm if necessary.

Nuget Package -> https://www.nuget.org/packages/CreditCardValidator

Issuing network Supported

The following issuing institutes are supported:

AmericanExpress	MasterCard	Maestro	DinersClub	Discover
Hipercard	Visa	Laser	ChinaUnionPay	Dankort
Rupay	Solo	Switch	JCB

Usage

CreditCardDetector

CreditCardDetector detector = new CreditCardDetector("4012 8888 8888 1881");
detector.CardNumber; // => 4012888888881881

detector.IsValid(); // => True
detector.IsValid(CardIssuer.Maestro); // => False

detector.Brand; // => CardIssuer.Visa
detector.BrandName; // => Visa

detector.IssuerCategory; // => Banking and financial

CreditCardFactory

Generate random credit card numbers from a specific CardIssuer.

string visaNumber = CreditCardFactory.RandomCardNumber(CardIssuer.Visa);
// => 4953089013607
string amexNumber = CreditCardFactory.RandomCardNumber(CardIssuer.AmericanExpress);
// => 373485467448025
string masterCardNumber = CreditCardFactory.RandomCardNumber(CardIssuer.MasterCard);
// => 5201294442453002
string chinaUnionPayNumber = CreditCardFactory.RandomCardNumber(CardIssuer.ChinaUnionPay);
// => 6280209982074556

CreditCardStringExtension

"4953089013607".CreditCardBrand(); // => CardIssuer.Visa

"4953089013607".CreditCardBrandName() // => Visa

"348051773827666".ValidCreditCardBrand(CardIssuer.AmericanExpress); // => True

Luhn

Luhn.CheckLuhn("4953089013607"); // => True
Luhn.CreateCheckDigit("495308901360"); // => 7

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request