[param1] on /param/:param1

params: {}

{
  "path": "/*",
  "*": "param/[param1]",
  "uri": "/",
  "location": {
    "pathname": "/param/[param1]/",
    "search": "",
    "hash": ""
  },
  "pageContext": {
    "matchPath": "/param/:param1"
  },
  "params": {},
  "pathContext": {
    "matchPath": "/param/:param1"
  }
}