3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "[url=https://test.com]my link[/url]"; echo preg_replace('~\[url=([^][\s]+)]([^][]*)\[/url]~', "<a href='$1' target='_blank'>$2</a>", $text) . PHP_EOL; echo preg_replace('~\[url=([^][\s]+)](.*?)\[/url]~s', "<a href='$1' target='_blank'>$2</a>", $text);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
<a href='https://test.com' target='_blank'>my link</a> <a href='https://test.com' target='_blank'>my link</a>
preferences:
129.28 ms | 407 KiB | 5 Q