--- vendor/magento/module-email/Model/Template/Filter.php
+++ vendor/magento/module-email/Model/Template/Filter.php
@@ -636,12 +666,7 @@ class Filter extends \Magento\Framework\Filter\Template
 
         $text = __($text, $params)->render();
 
-        $pattern = '/{{.*?}}/';
-        do {
-            $text = preg_replace($pattern, '', (string)$text);
-        } while (preg_match($pattern, $text));
-
-        return $this->applyModifiers($text, $modifiers);
+        return $this->applyModifiers($this->sanitizeValue($text), $modifiers);
     }
 
     /**