3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "[[some_non-matching_text]] [[https://example.com|link]] [[this is not matching either]] [[http://example2.com|link2]]"; echo preg_replace('~\[\[((?:(?!\[\[).)*?)\|(.*?)]]~s', '<a href="$1">$2</a>', $string);
Output for 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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
[[some_non-matching_text]] <a href="https://example.com">link</a> [[this is not matching either]] <a href="http://example2.com">link2</a>
preferences:
147.68 ms | 407 KiB | 5 Q