angular directive ignore non-numeric input

Question

I have to write some code for IE8. I have an ng-repeat creating a table filled with:

Answer 1

not directive but I use just:

controller:

    $scope.blockNonNumber = function (val, field){

       $scope[field] = val.toString().replace(/[^0-9]/g, '');

    }

html:

it's not directive but can be used in directive as wellside