Validate email address
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Date: 2005-08-08
Link: http://php.devquickref.com/php-validate-email-address-validation.html

Validate email address
 
function validate_email($address)
{
  if (ereg('^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$', $address))
    return true;
  else
    return false;
}