The elftest() function
PRELIMINARY INFORMATION - SUBJECT TO CHANGE
Release 2.1 - ...
The elftest() extension function performs the "Elfproef" on the input. It can be used to validate BSN (Dutch SSN) and bank account numbers.
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boolean exf:elfproef(string number, boolean invertLsd) |
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It returns true if the given number conforms to the elfproef.
Parameters:
- number: The number to be validated
- invertLsd: Opional. Invert the least significant digit. Set to true for BSN validation, which works slightly differently from bank account validation.
Namespace
This function is available within the Smartsite XForms namespace (http://smartsite.nl/namespaces/xforms/1.0).