3v4l.org

run code in 500+ PHP versions simultaneously
<?php $strs = ['Time 24hours','Time 36hour','Time 72hr','Time 96h','Time 24hrs','Time 35h']; $rx = '~\b(?:(24|36|48|72|96)|(\d+))(h(?:(?:ou)?rs?)?)\b~'; foreach ($strs as $s) { echo preg_replace_callback($rx, function($m) { return !empty($m[1]) ? $m[1] . 'HR' : $m[2] . 'ET'; }, $s) . PHP_EOL; }
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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Time 24HR Time 36HR Time 72HR Time 96HR Time 24HR Time 35ET
preferences:
98.65 ms | 1483 KiB | 4 Q