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Angular CPR validator

AngularJS module that checks whether an input's value is a valid Danish CPR number. Checks that the birthday is valid, as well as the check digit (can be disabled).



Include Angular and cpr.min.js or cpr.js in your page. You can use bower, or a script-tag:

bower install angular-cpr-validator


<script src=""></script>

Add angular-cpr-validator to your app's module dependencies:

angular.module('someModule', ['angular-cpr-validator'])

Modulus check

There are some edge cases where checking via a control number is not reliable. If you want to disable this on a particular input, you can specify it via the check-modulus="false" attribute. If you want to disable this check globally, you can change the checkModulus property in the validateCprConfig constant.


<input ng-model="cpr" validate-cpr>


  • npm install to install development dependencies
  • grunt to build minified demo in build/
  • grunt deploy to build minified demo and push it to gh-pages branch