title: AngularJs Search functionality is not working when more than one special characters
body: <p>I have implemented Angular Js search functionality in application. When I have enter more than one special characters for example '<strong>!@</strong>' it will display all the results.I think the exclamation character is the problem. How can I resolve this? In their demo site is also not working.<a href="http://docs.angularjs.org/api/ng.filter%3afilter" rel="nofollow">http://docs.angularjs.org/api/ng.filter:filter</a></p>
  
  <p>source can find from their site.</p>