work

Author: fballiano

app/code/core/Mage/Admin/Model/Variable.php

@@ -10,7 +10,6 @@
  * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
  */
 
-
 /**
  * @method Mage_Admin_Model_Resource_Variable _getResource()
  * @method Mage_Admin_Model_Resource_Variable getResource()

app/code/core/Mage/Adminhtml/Model/Email/PathValidator.php

@@ -26,16 +26,6 @@ public function isValid(mixed $value): bool
         return true;
     }
 
-    public function getMessages(): array
-    {
-        return [Mage::helper('adminhtml')->__('The configuration path is not valid for email templates.')];
-    }
-
-    public function getMessage(): string
-    {
-        return Mage::helper('adminhtml')->__('The configuration path is not valid for email templates.');
-    }
-
     public function isEncryptedNodePath(string $path): bool
     {
         $configModel = Mage::getSingleton('adminhtml/config');

app/code/core/Mage/Adminhtml/controllers/Catalog/Product/AttributeController.php

@@ -198,7 +198,7 @@ public function saveAction()
 
             //validate attribute_code
             if (isset($data['attribute_code'])) {
-                if (!preg_match('/^(?!event$)[a-z][a-z_0-9]{1,254}$/', $data['attribute_code'])) {
+                if (!Mage::helper('core')->isValidRegex($data['attribute_code'], '/^(?!event$)[a-z][a-z_0-9]{1,254}$/')) {
                     $session->addError(
                         Mage::helper('catalog')->__('Attribute code is invalid. Please use only letters (a-z), numbers (0-9) or underscore(_) in this field, first character should be a letter. Do not use "event" for an attribute code.'),
                     );