VerifyCheckDigit: Verify whether a value ends with a valid check digit

In fascinatingfingers/CheckDigit: Calculate and Verify Check Digits

Verify whether a value ends with a valid check digit

Description

Verify whether a value ends with a valid check digit

Usage

VerifyCheckDigit(x, method)

Arguments

x	character vector of values to verify
method	a character value naming the check digit algorithm to use

Value

logical vector the same length as x

Examples

VerifyCheckDigit('12340', 'Verhoeff')  # TRUE
VerifyCheckDigit('21340', 'Verhoeff')  # FALSE
VerifyCheckDigit('13240', 'Verhoeff')  # FALSE
VerifyCheckDigit('12430', 'Verhoeff')  # FALSE
VerifyCheckDigit('12304', 'Verhoeff')  # FALSE

fascinatingfingers/CheckDigit documentation built on April 28, 2022, 9:35 a.m.