'react-router' does not contain an export named 'BrowserRouter'

you need to import BrowserRouter from react-router-dom

import { BrowserRouter } from 'react-router-dom'

more info about BrowserRouter

BrowserRouter is a part of react-router-dom so you've to import it from react-router-dom.

import { BrowserRouter } from 'react-router-dom'

Match and Miss were components in alpha release of react-router. Match has been changed to Route and Miss has been removed. You can use Switch instead of Miss

Refer to this question about Match and Miss