From 346be954feec15524b3a5d041b07772703d143d9 Mon Sep 17 00:00:00 2001
From: Jan Van Buggenhout <chipzz@chipzz.be>
Date: Fri, 9 May 2025 09:54:34 -0700
Subject: [PATCH] Update README.md instructions for pre-flight.

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 37ab8cf..2d6b98b 100644
--- a/README.md
+++ b/README.md
@@ -154,10 +154,19 @@ app.listen(80, function () {
 
 You can also enable pre-flight across-the-board like so:
 
+```javascript
+app.options('*cors', cors()) // include before other routes; the cors string after the * is arbitrary
+```
+
+NOTE: previous versions of this documentation suggested the following:
+
 ```javascript
 app.options('*', cors()) // include before other routes
 ```
 
+Since path-to-regexp broke API and requires wildcards to be named, this no
+longer works in Express 5.
+
 NOTE: When using this middleware as an application level middleware (for
 example, `app.use(cors())`), pre-flight requests are already handled for all
 routes.