3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('#/\K[a-zA-Z0-9_-]+\.html$#', 'https://example.com.ua/part1/part2/part3/product-123.html', $match); echo $match[0];
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.27, 8.4.1 - 8.4.14
product-123.html
preferences:
184.07 ms | 408 KiB | 5 Q