diff --git a/resources/rapydscript/compiler.js.xz b/resources/rapydscript/compiler.js.xz
index 4c6f82850a..fbb64f17c3 100644
Binary files a/resources/rapydscript/compiler.js.xz and b/resources/rapydscript/compiler.js.xz differ
diff --git a/resources/rapydscript/lib/re.pyj b/resources/rapydscript/lib/re.pyj
index 181ce06101..1ad1142e72 100644
--- a/resources/rapydscript/lib/re.pyj
+++ b/resources/rapydscript/lib/re.pyj
@@ -125,9 +125,12 @@ def _expand(groups, repl, group_name_map):
         return '\\' + q
 
     ans = ch = ''
-    while (ch = next()):
+    while True:
+        ch = next()
         if ch is '\\':
             ans += read_escape_sequence()
+        elif not ch:
+            break
         else:
             ans += ch
     return ans