check if uft8 is enabled
diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index c224a6d..6e203a8 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -214,7 +214,7 @@
// Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods.
// Note: These can be user-specified by setting the $this->product_name_rules variable.
- if ($this->product_name_safe && ! preg_match('/^['.$this->product_name_rules.']+$/iu', $items['name']))
+ if ($this->product_name_safe && ! preg_match('/^['.$this->product_name_rules.']+$/i'.(UTF8_ENABLED ? 'u' : ''), $items['name']))
{
log_message('error', 'An invalid name was submitted as the product name: '.$items['name'].' The name can only contain alpha-numeric characters, dashes, underscores, colons, and spaces');
return FALSE;