public function match($regex)
{
$subject = $this->getRemainder();
$matches = [];
if (!preg_match($regex, $subject, $matches, PREG_OFFSET_CAPTURE)) {
return;
}
// PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
$offset = mb_strlen(mb_strcut($subject, 0, $matches[0][1], 'utf-8'), 'utf-8');
// [0][0] contains the matched text
// [0][1] contains the index of that match
$this->advanceBy($offset + mb_strlen($matches[0][0], 'utf-8'));
return $matches[0][0];
} /**
* @param string $mediaType
* @return mixed
*/
protected function getElementParts($mediaType)
{
$label = trim($this->cursor->match('/^\\[(?:[^\\\\\\[\\]]|\\\\[\\[\\]]){0,750}\\]/'), '[]');
$url = trim(LinkParserHelper::parseLinkDestination($this->cursor), '()');
if ($label === null || $url === null) {
return $this->cancel();
}
return $this->getElement($mediaType, $label, $url);
}
