angularjs validate input and prevent change if invalid

Question

I neeed an input field where I can enter only the values 1,2 or 3 so i\'m trying to build a directive which prevents all changes to the model if it doesn\'t match these valu

Answer 1

I'd recommend using the ng-pattern-restrict directive.

Get the library and simply decorate your input like so:

GitHub: AlphaGit/ng-pattern-restrict