title: Email Validation to accept all special character
body: <p>I've regular expression to validate the email address as below</p>
  
  <pre><code>var reg = /^([A-Za-z0-9_\-\+\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  </code></pre>
  
  <p>please help me to validate the entered email so that the input box should accept all special characters listed below.</p>
  
  <pre><code> .!#$%^&amp;*-=_+{}|/?`
  </code></pre>
  
  <p>thanks in advance</p>