# Mod-10 number validation algorithm (modulo 10)

**URL:** https://forum.kirupa.com/t/mod-10-number-validation-algorithm-modulo-10/156076
**Category:** flash
**Created:** [July 22, 2005, 9:24am UTC](https://forum.kirupa.com/t/mod-10-number-validation-algorithm-modulo-10/156076 "2005-07-22T09:24:19Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![turtle](https://avatars.discourse-cdn.com/v4/letter/t/ecb155/32.png) [@turtle](https://forum.kirupa.com/u/turtle)
#### Post date: [July 22, 2005, 9:24am UTC](https://forum.kirupa.com/t/mod-10-number-validation-algorithm-modulo-10/156076/1 "2005-07-22T09:24:19Z")

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HI!  
I’m looking for a Mod-10 (modulo 10) validation algorithm writen in actionscript.  
From a text-field, the user will enter a code and on submit, actionscript will validate if the number is right.  
Does anyone know this algorithm ?  
Thanks.