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<?php $yourdata = "16:53:41.640 T#4820 PresenceManager: ᥺[NAME]0x366f7cdb9df5a0e9-s-s157.55.56.143:40018-r[IPADDRESS]:44385"; preg_match("/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/", $yourdata, $matches); echo "Ip:".$matches[0]; ?>

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