Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.
gs1 checkdigit generation and validation
Validate a VIN based on origin, checkdigit, and reported year.
Implementation of Luhn mod N checkdigit algorithm
Check Digit eslint plugins
Check Digit standard Typescript configuration
Check Digit standard eslint configuration
Check Digit code formatting configuration
Standard time handling
Implementation of the Check Digit timeout algorithm for promises
Hash is a small function for Check Digit services to create a uuid derived from a hash generated from a given value.
Implementation of the standard Check Digit retry algorithm
Memoizing async functions with cache eviction on reject
Standard currency handling
Check Digit standard Jest configuration
Check Digit blessed Typescript compiler
Check Digit Spectral Config
Estonian bank reference checkdigit calculation
Validate & generate checksummed identifiers — credit cards (Luhn), IBANs (mod-97), ISBN-10/13, and EAN/UPC barcodes — with exact check-digit math. Zero dependencies, 100% local, no card data sent anywhere.
[](https://travis-ci.org/jkeen/tracking_number_data)
Provides supporting operations for github action builds.
Check digit calculator
An implementation of Perl's Algorithm::CouponCode for NodeJS.
Tiny, typesafe ISO 3779 VIN validator with check digit
Check Digit Algorithms in Rust
Securities identifier validation in pure Rust — ISIN, CUSIP, SEDOL, LEI, BIC, MIC, FIGI, CFI and national numbers. Check-digit algorithms, parsing, and conversion. Zero dependencies, no_std, no alloc.
A Rust Crate for calculating a UPC code using a check digit.
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