checksum test
-
?
sample:
Luhn
Luhn
IBAN
IBAN
IBAN
UPC
UPC
EAN
GLN
EFT
ISBN
Verhoeff
CC
prepend 00000
append 00000
get:
Luhn
IBAN
UPC
EAN
GLN
EFT
ISBN
Verhoeff
CC
EAN, IAN
GLN, ILN
is:
Luhn
IBAN
UPC
EAN
GLN
EFT
ISBN
Verhoeff
SSN
valid:
Luhn
IBAN
UPC
EAN
GLN
EFT
ISBN
Verhoeff
guess
clear
Safari
EnDe
Test