<?php
$string = "newboay1fineboy8badboiy12 boy4andothersfollows...";
$string = preg_match_all("/(bo\pL+)\d+/", $string, $results, PREG_SET_ORDER
, 0); foreach($results as $val){
if($val[1] !== "boy") {
echo $val[0] . "\n";
}
}
PD9waHAKCiRzdHJpbmcgPSAibmV3Ym9heTFmaW5lYm95OGJhZGJvaXkxMiBib3k0YW5kb3RoZXJzZm9sbG93cy4uLiI7CiRzdHJpbmcgPSBwcmVnX21hdGNoX2FsbCgiLyhib1xwTCspXGQrLyIsICRzdHJpbmcsICRyZXN1bHRzLCAgUFJFR19TRVRfT1JERVIsIDApOwpmb3JlYWNoKCRyZXN1bHRzIGFzICR2YWwpewogICAgaWYoJHZhbFsxXSAhPT0gImJveSIpIHsKICAgICAgICBlY2hvICR2YWxbMF0gLiAiXG4iOwogICAgfQp9Cg==