3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "product#[:id]#[:str]"; $regex = preg_replace("/\[:(\w+)\]/", "(?<$1>.+?)", $string); echo $regex;
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
product#(?<id>.+?)#(?<str>.+?)

preferences:
90.22 ms | 407 KiB | 5 Q