3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '/(^|[\n\s\>\\";]+)([^ \,"\t\n\r<>;]+\.[^ \,\"\t\n\r<]+)/iu'; $text = 'This is a normal text. http://vg.no, VG'; preg_match_all($regex, $text, $matches); print_r($matches); $text = 'This is normal text. http://vg.no, VG'; preg_match_all($regex, $text, $matches); print_r($matches);
Output for 8.1.0 - 8.1.2
Array ( [0] => Array ( ) [1] => Array ( ) [2] => Array ( ) ) Array ( [0] => Array ( [0] => http://vg.no ) [1] => Array ( [0] => ) [2] => Array ( [0] => http://vg.no ) )
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.27, 8.0.0 - 8.0.15
Array ( [0] => Array ( [0] => http://vg.no ) [1] => Array ( [0] => ) [2] => Array ( [0] => http://vg.no ) ) Array ( [0] => Array ( [0] => http://vg.no ) [1] => Array ( [0] => ) [2] => Array ( [0] => http://vg.no ) )

preferences:
31.53 ms | 462 KiB | 5 Q