JavaScript Email Validation

Method To validate Email ID With the Help of Regular Expression.

function check for valid email address
       function IsvalidEmail(src)
        {
         var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
         var regex = new RegExp(emailReg);
         return regex.test(src);
      }

Remove White Space from Start and From End

TrimString=function(str) 
    {
         str = this != window? this : str;
        return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
    }