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run code in 300+ PHP versions simultaneously
<?php $n = "Chan"; $str = ")24.231.23.2 " + $n + ":"; preg_match("/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} " . $n . "/", $str, $m); echo $m; //str_replace(" " + $n, "", $m[0], $r); //$ip = $r[0]; // Should return 24.231.23.2 //echo $ip;

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