[doc] Remove unsafe regex from code snippet

websockets · May 31, 2021 · 03a7078 · 03a7078 · netizen-ais · Jun 4, 2021
1 parent 7ee3115
commit 03a7078
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -395,7 +395,7 @@ the `X-Forwarded-For` header.
 
 ```js
 wss.on('connection', function connection(ws, req) {
-  const ip = req.headers['x-forwarded-for'].split(/\s*,\s*/)[0];
+  const ip = req.headers['x-forwarded-for'].split(',')[0].trim();
 });
 ```