public static function determineFilterType($value)
    {
        // Check for two possible combos
        //  1. The old pattern, which is ' + '
        //  2. A new pattern, which accounts for '+' === ' ' in urls
        $pattern = '/(\s+\+\s+)|(\+\+\+)/';
        return preg_match($pattern, $value) === 1 ? Datasource::FILTER_AND : Datasource::FILTER_OR;
    }