Card is Valid, but return invalid.

[pedroanalista]

Card Number: 6505 0703 1003 9904 Issuing Bank: CAIXA Card Brand: DISCOVER Card Type: CREDIT Card Level: PERSONAL

Please check card valid in https://www.bincodes.com/creditcard-checker/

Run:

let card_number = "6505 0703 1003 9904" var numberValidation = valid.number(card_number.trim().substring(0, 4));

Result:

{ card: null, isPotentiallyValid: true, isValid: false, }