diff --git a/libs/plugins/modifier.regex_replace.php b/libs/plugins/modifier.regex_replace.php
index 9e96616d..d4d20309 100644
--- a/libs/plugins/modifier.regex_replace.php
+++ b/libs/plugins/modifier.regex_replace.php
@@ -22,8 +22,7 @@
  */
 function smarty_modifier_regex_replace($string, $search, $replace)
 {
-    $_delimq = preg_quote($string[0]);
-    if (preg_match('!' . $_delimq . '([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
+    if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
         /* remove eval-modifier from $search */
         $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
     }