JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app ng-controller="formCtrl">
<form name="myForm" ng-submit="onSubmit()">
<input type="number" ng-model="price" name="price_field" ng-pattern="/[^0-9]/g" required>
</form>
</div>
JavaScript
function formCtrl($scope){
}