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Credit Card Validation

This Form will test whether a creditcard number is valid by the four steps listed below. This does NOT test whether the creditcard number is active or has sufficent funds.

JS Source

Cardit Card Type	Visa MasterCard DinersClub CarteBlanche AmEx Discover JCB enRoute Solo Switch Maestro VisaElectron
Credit Card Number	####-####-...
Type Guesser	Type

Validates that supplied Number

• Contains valid characters
• Matches a prefix for specified type
• Matches a length for specified type
• Passes Card Type's check-digit test