Luhn credit-card checker
Validate any 12–19 digit number against the Luhn algorithm and detect the card brand by IIN prefix. No card data is sent anywhere.
analysis
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- length
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- checksum
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- brand
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- BIN / IIN
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- type hint
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Validate any 12–19 digit number against the Luhn algorithm and detect the card brand by IIN prefix. No card data is sent anywhere.
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