3v4l.org

run code in 500+ PHP versions simultaneously
<pre> <?php $html = <<<HTML <li><a href='index.php?case=index'>HOME</a></li> <li><a href='race/'>RACE</a></li> <li><a href="index.php?case=news">NEWS</a></li> <li><a href='index.php?case=pages&url=who'>Who</a></li> <li><a href="index.php?case=pages&url=contact">CONTACT</a></li> HTML; $regexp = "<a\s[^>]*href=(\"|'??)([^\"|' >]*?)\\1[^>]*>(.*)<\/a>"; preg_match_all("/$regexp/siU", $html, $matches); print_r($matches);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<pre> Array ( [0] => Array ( [0] => <a href='index.php?case=index'>HOME</a> [1] => <a href='race/'>RACE</a> [2] => <a href="index.php?case=news">NEWS</a> [3] => <a href='index.php?case=pages&url=who'>Who</a> [4] => <a href="index.php?case=pages&url=contact">CONTACT</a> ) [1] => Array ( [0] => ' [1] => ' [2] => " [3] => ' [4] => " ) [2] => Array ( [0] => index.php?case=index [1] => race/ [2] => index.php?case=news [3] => index.php?case=pages&url=who [4] => index.php?case=pages&url=contact ) [3] => Array ( [0] => HOME [1] => RACE [2] => NEWS [3] => Who [4] => CONTACT ) )

preferences:
106.22 ms | 2286 KiB | 4 Q