diff --git a/nbdev/quarto.py b/nbdev/quarto.py
index ea5a87a08..2c60764f4 100644
--- a/nbdev/quarto.py
+++ b/nbdev/quarto.py
@@ -89,7 +89,7 @@ def _recursive_parser(
         set_index: bool = True): # If `True`, `index` file will be set to href.
     for name, val in dir_dict.items():
         if type(val) is str:
-            if re.search('index\..*', re.sub(r'^\d+_', '', val)) and set_index and section:
+            if re.search(r'index\..*', re.sub(r'^\d+_', '', val)) and set_index and section:
                 section.update({'href': str(dirpath/val)})
             else:
                 contents.append(str(dirpath/val))
diff --git a/nbs/api/14_quarto.ipynb b/nbs/api/14_quarto.ipynb
index 6d3ffe96b..7cfb1ed53 100644
--- a/nbs/api/14_quarto.ipynb
+++ b/nbs/api/14_quarto.ipynb
@@ -186,7 +186,7 @@
     "        set_index: bool = True): # If `True`, `index` file will be set to href.\n",
     "    for name, val in dir_dict.items():\n",
     "        if type(val) is str:\n",
-    "            if re.search('index\\..*', re.sub(r'^\\d+_', '', val)) and set_index and section:\n",
+    "            if re.search(r'index\\..*', re.sub(r'^\\d+_', '', val)) and set_index and section:\n",
     "                section.update({'href': str(dirpath/val)})\n",
     "            else:\n",
     "                contents.append(str(dirpath/val))\n",