Credit Debit Switch etc Validation scripting

June 11, 200322 yr

I didn't quite no where to post this, but I'm sure its not just me who'd ve been glad if someone had done this for me...

I found stuff on the web about Luhn10 which is apparently how it all works, I was only looking for ISBN check digit tings which I've also included, and I found the calculations for card check digit ting.

File attached. FP5.5.

Two fields, CC Number & ISBN. Both with fairly hefty validation things,

the CC Number validation you can cut, cos I like them stored in a set format in my database so we can search by card number if necessary, XXXX XXXX XXXX XXXX XXX (i.e. it must be 4 digits and a space, 4 digits and a space). ISBN I've made it just lose any spacing for sake of brevity.

Three scripts, ISBN Formatter/check digit correcter. Credit Card Validator, if you need a script to do it, it'll do it for you. Also Credit Card formatter, which will put it in the right spacing, 4 digits and a ....

peace, to all in Adam, hope you come to know the Master,

to those in Jesus, big up y'all,

tom

The Good Book Co