Nestable\Tests\TestCase::_get_pattern PHP Method

    protected function _get_pattern($type)
    {
        switch ($type) {
            case 'html':
                return '\\<ul\\>\\s+\\<li\\s+?\\>\\<a\\s+?href\\=\\"https?:\\/\\/.*\\"\\>.*\\<\\/a\\>(\\<ul\\>\\s+?\\<li\\s+?\\>.*\\<\\/li\\>)?';
                break;
            case 'multiple':
                return '\\<select\\s+?multiple\\>(\\<option\\s+?value\\=\\".*?\\"\\>.*\\<\\/option\\>)\\<\\/select\\>';
                break;
            case 'dropdown':
                return '\\<select\\s+?\\>(\\<option\\s+?value\\=\\".*?\\"\\>.*\\<\\/option\\>)\\<\\/select\\>';
                break;
            case 'dropdown_single_option':
                return "(\\<option.*?\\>.*?\\<\\/option\\>){1}";
                break;
            case 'attribute_pattern_for_ul':
                return "(\\<ul\\s+[a-zA-Z]+\\=\".*?\">)";
                break;
        }
    }