Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyController">
  {{naomi}}{{igor}}
	
		<button type="button" id="berechnen" ng-click="regExTest()">RegEx check</button>
</div>

JavaScript

var myApp = angular.module('myApp',[]);

myApp.controller('MyController', ['$scope', function($scope) {	
		
		  $scope.naomi = { name: 'Naomi', address: '1600 Amphitheatre' };
		  $scope.igor = { name: 'Igor', address: '123 Somewhere' };
	
		  $scope.regExTest = function() {
			var pattern = new RegExp('^\d{1,3}(:\d{1,2})?$');
			var result = pattern.test('12');
			alert(result);
		  };	
	
		}]);