mimmi20/browser-detector

{
  "rules": {
    "/android[ -\\/]?([0-9\\.]+)?;? mobile; rv:[0-9\\.\\+ab]+\\)|android.* mobile ?safari|opera mobi/i": "general mobile phone",
    "/android[ -\\/]?([0-9\\.]+)?;? tablet; rv:[0-9\\.\\+ab]+\\)|android.* (?<!tv )safari|opera tablet|tablet browser/i": "general tablet"
  },
  "generic": "general mobile device"
}