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<?php $ClientAddress = array("5 street name","35230 Village"); foreach ( $ClientAddress as $address ) { $AdOk = preg_match("/^([0-9a-zA-Z-, '\\n]+)(\\d{5})([, ]+)([0-9a-zA-Z-, '\\n]+)$/iu", $address, $match); var_dump($address, $AdOk, $match); } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(13) "5 street name" int(0) array(0) { } string(13) "35230 Village" int(0) array(0) { }

preferences:
240.78 ms | 406 KiB | 354 Q