https://stripe.com/ae/resources/more/how-to-use-the-luhn-algorithm-a-guide-in-applications-for-businesses
What is the Luhn algorithm and how does it work? | Stripe
Learn what the Luhn algorithm is and how businesses use it to verify card numbers, prevent errors, and boost payment security.
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https://www.creditcardvalidator.org/developer
Credit Card Verification Code - Luhn algorithm and IIN check
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https://help.genesys.cloud/111209/
Credit card number Luhn algorithm-based filtering - Genesys Cloud Resource Center
Genesys Cloud automatically filters credit card numbers in chat, email, and messaging to help organizations meet regulatory standards like PCI DSS.
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