This is a Next.js project bootstrapped with create-next-app.

Show minimal example of issues with the documented middleware matcher

See middleware.ts copied from the official next.js docs - https://nextjs.org/docs/app/api-reference/file-conventions/middleware#matcher

When trying to run this project it exits with this error:

Error parsing `/:nextData(_next/data/[^/]{1,})?/api/*{(\\.json)}?` https://nextjs.org/docs/messages/invalid-route-source
Reason: Unexpected MODIFIER at 37, expected END

  /:nextData(_next/data/[^/]{1,})?/api/*{(\\.json)}?
                                       ^

[Error: Invalid source: /:nextData(_next/data/[^/]{1,})?/api/*{(\\.json)}?]