How to check customer email id is exist or not before registration in Magento?

You can check customer email id is exist or not before registration in Magento by following code.


          $customer = Mage::getModel('customer/customer');
                $customer->setWebsiteId(Mage::app()->getWebsite()->getId());
                $customer->loadByEmail($customer_email);

                if($customer->getId())
                {
                  echo "Customer Exist";
                }