Jquery - Validate Email Format

 function validateEmail(email) {  
   var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i  
   if (filter.test(v)) return true;      
   else return false;  
 }  

Call Jquery function

 var email = $('#txtEmail).val();        
 if(validateEmail(email) == false){  
   alert('Invalid Email');            
 }else{  
   alert('Valid Email);  
 }