3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = " 12| 150 | test one| 33235 13| 151| test two |33236 "; $pattern = '/(?:\s\|\s)|(?:\s\|)|(?:\|\s)/'; echo preg_replace($pattern, '|', $string);
Output for 7.4.0 - 7.4.30, 8.0.1 - 8.0.22, 8.1.0 - 8.1.9
12|150|test one|33235 13|151|test two|33236

preferences:
25.52 ms | 409 KiB | 5 Q