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

In 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

CheckDigit documentation built on April 24, 2022, 5:05 p.m.