Error validating cardaccount number range

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Credit card authentication is meant to limit fraud and chargebacks.

A card must first be authenticated before a purchase can be authorized.

You use these validators for common types of data, including credit card numbers, dates, e-mail addresses, numbers, phone numbers, Social Security numbers, strings, and ZIP codes.

The Credit Card Validator class validates that a credit card number is the correct length, has the correct prefix, and passes the Luhn mod10 algorithm for the specified card type.

The following example uses the Currency Validator class to validate a currency value entered in U. dollars and in Euros: The Date Validator class validates that a String, Date, or Object contains a proper date and matches a specified format.

Users can enter a single digit or two digits for month, day, and year.

Visa Card Eligibility Service (VCES) can enable Visa client, merchants and developers to check for eligibility to offers and benefits based on the card number subject to terms and restrictions.The eligibility criteria may range from broad to more granular card attributes and could include access based on number of purchases of the offer or benefit done in the past.The attributes of the card (issuer BID, card product etc.This allows variable length digits to be used and the length to be changed.If there is a single check digit added to the original number, the system will not always capture multiple errors, such as two replacement errors (12 → 34) though, typically, double errors will be caught 90% of the time (both changes would need to change the output by offsetting amounts).

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