Topics   All   Mac OS X (Only)   Windows (Only)   Linux (Only, Not)   iOS (Only, Not)  
Components   Crossplatform Mac & Win   Server   Client   Old   Guides   Examples
New in version: 7.1   7.2   7.3   7.4   7.5   8.0   8.1   8.2   8.3   8.4    Statistic  

Math.IsValidCC

Verifies a credit card number.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
Math 3.1 Yes Yes Yes Yes Yes

MBS( "Math.IsValidCC"; text )

Parameters

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

Result

Returns 1 on success or 0 on failure.

Description

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

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


Math.InsidePolygon   -   Math.MillimeterToPixel

Feedback: Report problem or ask question.




Links
MBS Xojo Plugins