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<?php $re = "/^((?:\d{2}\.?){3}).*?(\w{2}\s\d{4}).*?(\d{2}:\d{2})(?:.*?(\b[a-z]+\b).*?(\b[a-z]+\b))?$/m"; $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 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+.*?\n\n)(\n)/"; $subst = ">>CUT HERE>>"; $result = preg_replace($re, $subst, $str); echo $result; ?>
Output for git.master, git.master_jit, rfc.property-hooks
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 >>CUT HERE>>11.08.15 xxx xxx X3 2830 14:25 17:50 18.08.15 xxx xxx X3 2831 18:40 F881605 xczxcdfsfdsdfs F881605 zxccxzxzdffdsfds

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