Validating credit card checks

For any request, or in any case of difficulty, please feel free to contact the webmaster. You enter only the credit card numbers but absolutely not any personal information such as Name, Expiring Date, and the most critical the CVV (Card Verification Value) which is usually at the back (except for Amex cards).This sequence of digits alone is useless and cannot serve any fraudulous goal.

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The credit card number you entered failed the Luhn Check. The first digit of a credit card number represent the category of entity which issued the card.

The first six digits of a card number identify the institution that issued the card to the card holder.

Digits 7 to final number minus 1 (the last is the checksum) indicate the individual account identifier. The only risk is if anyone is literally looking at your screen while you use the website.

We can't and won't access any of the data you insert in the website, including you credit card number.

We'll check your number against the Luhn Algorithm to see if it is a valid credit card number.

The credit card number you entered passed the Luhn Check and is therefore a valid credit card number!However, the course the Canucks are charting suggests Green is at the head of the line.You can sell Hitchcock on a two-year plan to push everybody, but the Canucks seem sold on a methodical improvement because this isn’t going to turn around in a hurry. And the Canucks want somebody who’s all in on that process for the long-term.Right now I need something that will work with American Express, Discover, Master Card, and Visa, but it might be helpful if it will also work with other types.It's probably better NOT to validate in code at your end.If you have in your regex [34|37] it doesn't mean that the card starts with 34 or 37 it means that card can start with any combination of the following characters 3,4,7 so numbers starting with 33, 44, 77, 37, 73, 47, 74 will also evaluate to true! src=luhn_There is a PEAR package which handles the validation of many financial numbers, also credit card validation: Card By the way, here are some Test Credit Card Account Numbers by Pay Pal.