diff --git a/libs/plugins/modifier.regex_replace.php b/libs/plugins/modifier.regex_replace.php
index ca082ff2..ed4d1af8 100644
--- a/libs/plugins/modifier.regex_replace.php
+++ b/libs/plugins/modifier.regex_replace.php
@@ -24,9 +24,9 @@ function smarty_modifier_regex_replace($string, $search, $replace)
 {
     if (preg_match('!\W([\w\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
         /* remove eval-modifier from $search */
-        $search = substr($search, 0, -strlen($match[1])) . str_replace(array(' ','e'), array('',''), $match[1]);
+        $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
     }
-    
+       
     return preg_replace($search, $replace, $string);
 }