title: Allow user type only text in input field
body: <p>I need a validator that allows user type only <code>text</code> <code>number</code> and <code>@</code></p>
  
  <p>when user types other than these charter like <code>#, $, % ,^ , &amp;, *, (,</code>
  these charter should not type in input field is there any way to block other than allowed charter inside input field</p>