</head>
<body ng-app="ngPatternExample">
  <script>
  angular.module('ngPatternExample', [])
    .controller('ExampleController', ['$scope', function($scope) {
      $scope.regex = '\\d+';
    }]);
</script>
<div ng-controller="ExampleController">
  <form name="form">
    <label for="regex">Set a pattern (regex string): </label>
    <input type="text" ng-model="regex" id="regex" />
    <br>
    <label for="input">This input is restricted by the current pattern: </label>
    <input type="text" ng-model="model" id="input" name="input" ng-pattern="regex" /><br>
    <hr>
    input valid? = <code>{{form.input.$valid}}</code><br>
    model = <code>{{model}}</code>
  </form>
</div>
</body>
</html>
angular.module('ngPatternExample', [])
  .controller('ExampleController', ['$scope', function($scope) {
    $scope.regex = '\\d+';
  }]);

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.2/angular.min.js