3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'comment=Accept established chain=forward connection-state=established'; preg_match_all('/([a-z-]+)=(.*?)(?=\s*[a-z-]+=|$)/', $str, $matches); print_r($matches);

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26.19 ms | 405 KiB | 5 Q