util: fix built-in detection

This makes sure that the regular expression matches all built-in
objects properly. So far a couple where missed.

PR-URL: https://github.com/nodejs/node/pull/30768
Fixes: https://github.com/nodejs/node/issues/30183
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

lib/internal/util/inspect.js

@@ -116,7 +116,7 @@ const { NativeModule } = require('internal/bootstrap/loaders');
 let hexSlice;
 
 const builtInObjects = new Set(
-  ObjectGetOwnPropertyNames(global).filter((e) => /^([A-Z][a-z]+)+$/.test(e))
+  ObjectGetOwnPropertyNames(global).filter((e) => /^[A-Z][a-zA-Z0-9]+$/.test(e))
 );
 
 // These options must stay in sync with `getUserOptions`. So if any option will