[Their tests](https://github.com/matomo-org/device-detector/blob/master/Tests/fixtures/bots.yml); looks looks like they just use this [list of regexps](https://github.com/matomo-org/device-detector/blob/master/regexes/bots.yml) based on [Bot.php](https://github.com/matomo-org/device-detector/blob/master/Parser/Bot.php).
Their tests; looks looks like they just use this list of regexps based on Bot.php.