src/Valkyrja/Path/NativePathParser.php
protected function getParamReplacement(string $key, array $params): string
    {
        return config()['app']['pathRegexMap'][$params[2][$key]]
            ?? '(' . ($params[2][$key] ?: $params[1][$key]) . ')';
    }
protected function getParamReplacement(string $key, array $params): string
    {
        return config()['app']['pathRegexMap'][$params[2][$key]]
            ?? '(' . ($params[2][$key] ?: $params[1][$key]) . ')';
    }
Get a param's replacement.

@param string $key    The key
@param array  $params The params

@return string