- 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- background: url(../path/image1.png); background: url(../path/image2.png); background: url(../path/image3.png);
<?php
$string = '
background: url(../../path/image1.png);
background: url(../../../path/image2.png);
background: url(../../../path/image3.png);
';
echo preg_replace('/\(\K[\/.]+/', '../', $string);