diff --git a/packages/rtl/sysutils.pas b/packages/rtl/sysutils.pas
index d0f6ea0..a9380c6 100644
--- a/packages/rtl/sysutils.pas
+++ b/packages/rtl/sysutils.pas
@@ -2929,7 +2929,7 @@ begin
 end;
 
 Const
-  RESpecials = '([\$\+\[\]\(\)\\\.\*\^\?])';
+  RESpecials = '([\$\+\[\]\(\)\\\.\*\^\?\|])';
 
 function StringReplace(aOriginal, aSearch, aReplace: string;
   Flags: TStringReplaceFlags): String;