3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "A N K U N F T 11.08.15 *** NEUBUCHUNG *** 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F882129 dsdsaidsaia F882129 xxxyxyagydaysd\r \r \r A N K U N F T 18.08.15 *** NEUBUCHUNG *** 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F881554 ZXCXZCXCXZCCXZ F881554 xcvcxvcxvcvxc F881554 xvcxvcxcvxxvccvxxcv 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F881605 xczxcdfsfdsdfs F881605 zxccxzxzdffdsfds "; $re = "/(?:\sF\d+.*?\r\n\r\n)(\r\n)/"; $subst = ">>CUT HERE>>"; $result = preg_replace($re, $subst, $str); echo $result; ?>
based on mqrJc
Output for 4.3.0 - 7.3.0rc4
A N K U N F T 11.08.15 *** NEUBUCHUNG *** 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F882129 dsdsaidsaia >>CUT HERE>>A N K U N F T 18.08.15 *** NEUBUCHUNG *** 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F881554 ZXCXZCXCXZCCXZ F881554 xcvcxvcxvcvxc F881554 xvcxvcxcvxxvccvxxcv 11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F881605 xczxcdfsfdsdfs F881605 zxccxzxzdffdsfds