1. Credit Card Number Regex

Fake credit card numbers for all major brandsThese credit card numbers DO NOT work! They are for testing purposes only. Without a valid owner name, an expiration date and a valid CVV code, they can't be used for real transactions. You should use these numbers only to test your validation strategies and for bogus data. Note that the algorithm used here is freely available across the web even Wikipedia.org. These numbers were generated randomly. You can the page to get new numbers.

VISA:. MasterCard:.

Java Credit Card Validation. Now sum all the digits in the number, the unchanged numbers and the doubled numbers. The final sum should be multiple of 10 or mod 10 of the number should be 0. If it’s not then its not a valid credit card number. Let’s check it with an example credit card number 3555.

American Express (AMEX):. Discover:. JCB:.

Diners Club - North America:. Diners Club - Carte Blanche:. Diners Club - International:. Maestro:. Visa Electron:.

InstaPayment:How to validate a Credit Card Number?Most credit card number can be validated using the Luhn algorithm, which is more or a less a glorified Modulo 10 formula!The Luhn Formula:. Drop the last digit from the number. The last digit is what we want to check against. Reverse the numbers. Multiply the digits in odd positions (1, 3, 5, etc.) by 2 and subtract 9 to all any result higher than 9. Add all the numbers together. The check digit (the last number of the card) is the amount that you would need to add to get a multiple of 10 (Modulo 10)Luhn Example: StepTotalOriginal Number:899855Drop the last digit:89985Reverse the digits:76554Multiple odd digits by 2:58Subtract 9 to numbers over 9:56158Add all numbers:5615885Mod 10:85 modulo 10 = 5 (last digit of card).

Credit Card Number Regex

List of credit card number formats Credit Card IssuerStarts With ( IIN Range )Length ( Number of digits )American Express34, 3715Diners Club - Carte Blanche300, 301, 302, 303, 304, 30514Diners Club - International3614Diners Club - USA & Canada5416Discover6011, 622126 to 622925, 644, 645, 646, 647, 648, 649, 6516-19InstaPayment637, 638, 63916JCB3528 to 358916-19Maestro5018, 5020, 5038, 5893, 6304, 6759, 6761, 6762, 676316-19MasterCard51, 52, 53, 54, 55, 29916Visa413-16-19Visa Electron4026, 417500, 4508, 4844, 4913, 491716© FreeFormatter.com - FREEFORMATTER is a d/b/a of 10174785 Canada Inc.