Online PHP editor | output for 9MBQU

<?php $re = '~^\|\h+\d+>(?!\h*\Q****END OF INPUT****\E)\h\K.+~mi'; $str = '================================================================================ INPUT FILE ================================================================================ NAME = CO-c0m1.txt | 1> ! HF def2-TZVP opt numfreq | 2> | 3> % scf | 4> convergence tight | 5> end | 6> | 7> * xyz 0 1 | 8> C 0 0 0 | 9> O 0 0 1 | 10> * | 11> | 12> ****END OF INPUT**** ================================================================================ '; preg_match_all($re, $str, $matches); // Print the entire match result print_r($matches);