3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '#<tag foo="bar">([\w\s]+[^\s]+)</tag>#'; echo preg_replace($regex, '\1', '<tag foo="bar">Jacopo Nuzzi</tag>'). " $\n"; echo preg_replace($regex, '\1', '<tag foo="bar">Jacopo Nuzzi </tag>'). " $\n"; echo preg_replace($regex, '\1', '<tag foo="bar">Jacopo </tag>'). " $\n"; echo preg_replace($regex, '\1', '<tag foo="bar">Jacopo</tag>'). " $\n";

preferences:
37.88 ms | 402 KiB | 5 Q