Online PHP editor | refs for gE6hG

<?php $tests=[ "207.142.131.005", // 207.142.XXX.XXX "2001:0db8:0000:08d3:0000:8a2e:0070:7344", // 2001:0db8:0000:08d3:0000:8a2e:XXXX:XXXX "207.142.131.5", // 207.142.XXX.XXX "2001:0db8::8d3::8a2e:7:7344", // 2001:0db8::8d3::8a2e:XXXX:XXXX "::1", // :XXXX:XXXX "127.0.0.1" // 127.0.XXX.XXX ]; $tests=preg_replace(['/\.\d*$/','/\d*:\d*$/'],['.XXX','XXXX:XXXX'],$tests); var_export($tests);