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match balanced parens in URLs to resolve #126

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* match balanced parens using recursive pattern
* match quoted title correctly
This commit is contained in:
Won-Kyu Park 2014-02-27 23:47:00 +09:00
parent 886c620440
commit 700b5ddbff
1 changed files with 3 additions and 3 deletions
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6
Parsedown.php
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@ -1020,13 +1020,13 @@ class Parsedown
$remainingText = substr($text, $offset);
if ($remainingText[0] === '(' and preg_match('/\([ ]*(.*?)(?:[ ]+[\'"](.+?)[\'"])?[ ]*\)/', $remainingText, $matches))
if ($remainingText[0] === '(' and preg_match('/^\([ ]*((?:[^()\s]+|(\((?:[^()\s]+|(?2))*\)))+)(?:[ ]+([\'"])(.+?)\\3)?[ ]*\)/', $remainingText, $matches))
{
$element['link'] = $matches[1];
if (isset($matches[2]))
if (isset($matches[4]))
{
$element['title'] = $matches[2];
$element['title'] = $matches[4];
}
$offset += strlen($matches[0]);