Card Validation: Features

These functions are included in ccValid.pas:

• htCreditCardDateCheck -- Validate a string to make sure it contains a valid mm-yyyy date.
• htCreditCardDateMMYY -- convert CHAR(6) to CHAR(4), check for validity, set error
• htCreditCardDateReverse -- Return a reversed char(4) date, or blank if not reversible.
• htCreditCardDateReversible -- Check a credit card date for reversibility.
• htCreditCardType -- Determine type of credit card based on card number.

Order Credit Card Validation Routines