Some sweeping syntax changes for consistency:

(! foo) changed to ( ! foo)
|| changed to OR
changed newline standardization code in various places from preg_replace to str_replace
diff --git a/system/helpers/email_helper.php b/system/helpers/email_helper.php
index 594a030..496d612 100644
--- a/system/helpers/email_helper.php
+++ b/system/helpers/email_helper.php
@@ -1,4 +1,4 @@
-<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');

+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

 /**

  * CodeIgniter

  *

@@ -33,11 +33,11 @@
  * @access	public

  * @return	bool

  */	

-if (! function_exists('valid_email'))

+if ( ! function_exists('valid_email'))

 {

 	function valid_email($address)

 	{

-		return (! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;

+		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;

 	}

 }

 

@@ -49,7 +49,7 @@
  * @access	public

  * @return	bool

  */	

-if (! function_exists('send_email'))

+if ( ! function_exists('send_email'))

 {

 	function send_email($recipient, $subject = 'Test email', $message = 'Hello World')

 	{

@@ -57,6 +57,6 @@
 	}

 }

 

-
-/* End of file email_helper.php */
+

+/* End of file email_helper.php */

 /* Location: ./system/helpers/email_helper.php */
\ No newline at end of file