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A simple Go program to validate credit card numbers using the Luhn algorithm.

CC0-1.0 license

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Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
gopath/pkg		gopath/pkg
public		public
LICENSE		LICENSE
README.md		README.md
detect.go		detect.go
go.mod		go.mod
handler.go		handler.go
luhn.go		luhn.go
main.go		main.go

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Credit Card Validator (Go)

A simple Go program to validate credit card numbers using the Luhn algorithm.

Features

Validates credit card numbers against the Luhn algorithm.
Identifies common card types (Visa, MasterCard, Amex, Discover, JCB).
Provides clear validation results.

Project Screenshots

Sample Card Numbers to Test with

Valid Card Numbers (Pass Luhn Check)

Card Type	Number
Visa	4111111111111111
MasterCard	5555555555554444
Amex	378282246310005
Discover	6011111111111117
JCB	3530111333300000

Invalid Card Numbers (Fail Luhn Check)

Description	Number
Wrong checksum	4111111111111121
Short	12345678
All zeros	0000000000000000
Random digits	9876543210123456

About

A simple Go program to validate credit card numbers using the Luhn algorithm.

go tool luhn-algorithm

CC0-1.0 license

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