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<?php $str = "A N K U N F T 11.08.15\r *** NEUBUCHUNG ***\r 11.08.15 xxx xxx X3 2830 14:25 17:50\r 18.08.15 xxx xxx X3 2831 18:40\r F882129 dsdsaidsaia\r F882129 xxxyxyagydaysd\r \r \r A N K U N F T 18.08.15\r *** NEUBUCHUNG ***\r 11.08.15 xxx xxx X3 2830 14:25 17:50\r 18.08.15 xxx xxx X3 2831 18:40\r F881554 ZXCXZCXCXZCCXZ\r F881554 xcvcxvcxvcvxc\r F881554 xvcxvcxcvxxvccvxxcv\r \r \r 11.08.15 xxx xxx X3 2830 14:25 17:50\r 18.08.15 xxx xxx X3 2831 18:40\r F881605 xczxcdfsfdsdfs\r F881605 zxccxzxzdffdsfds "; $re = "/(?:\sF\d+.*?\r\n\r\n)(\r\n)/"; $subst = ">>CUT HERE>>"; $result = preg_replace($re, $subst, $str); echo $result; ?>

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