Only Numbers pattern

Numbers pattern

HTML

<div ng-app ng-controller="formCtrl">
  <form name="myForm" ng-submit="onSubmit()">
    <input type="text" ng-model="price" name="price_field" ng-pattern="/^\d[0-9]*$/" >
    <span ng-show="myForm.price_field.$error.pattern">Not a valid number!</span>
    <input type="submit" value="submit" />
  </form>
</div>

JavaScript

function formCtrl($scope) {
  $scope.onSubmit = function() {
    alert("form submitted");
  }
}