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Verifies a credit card number.

Component Version macOS Windows Linux Server iOS SDK
Math 3.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "Math.IsValidCC"; text )   More


Parameter Description Example
text The text with the number. "12345678"


Returns 1 on success or 0 on failure.


Verifies a credit card number.
This function implements the Luhn algorithm. This is a simple checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier numbers in US and Canadian Social Insurance Numbers.

If this function returns 0, you can be sure the number is not valid. But if the function returns 1, you may want to check the number online with some database.

Example Databases

Blog Entries

This function is free to use.

Created 18th August 2014, last changed 18th August 2014

Math.InsidePolygon - Math.Max