public static function getRegexTags($tags, $include_no_attributes = true, $include_ending = true, $required_attributes = array())
{
require_once __DIR__ . '/text.php';
$tags = RLText::toArray($tags);
$tags = count($tags) > 1 ? '(?:' . implode('|', $tags) . ')' : $tags['0'];
$value = '(?:\\s*=\\s*(?:"[^"]*"|\'[^\']*\'|[a-z0-9-_]+))?';
$attributes = '(?:\\s+[a-z0-9-_]+' . $value . ')+';
$required_attributes = RLText::toArray($required_attributes);
if (!empty($required_attributes)) {
$attributes = '(?:' . $attributes . ')?' . '(?:\\s+' . implode('|', $required_attributes) . ')' . $value . '(?:' . $attributes . ')?';
}
if ($include_no_attributes) {
$attributes = '\\s*(?:' . $attributes . ')?';
}
if (!$include_ending) {
return '<' . $tags . $attributes . '\\s*/?>';
}
return '<(?:\\/' . $tags . '|' . $tags . $attributes . '\\s*/?)\\s*/?>';
}
