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<?php $mails = array( 'a.yamada@yamada.com', 'a.yamada@sub.yamada.com', 'a.yamada@sub.sub.yamada.com', 'a.yamada@sub.sub.sub.yamada.com', 'a.yamada@sub.sub.sub.yamada.com', 'a.yamada@yamada.net', 'a.yamada@sub.yamada.net', 'a.yamada@sub.sub.yamada.net', 'a.yamada@sub.sub.sub.yamada.net', 'a.yamada@sub.sub.sub.yamada.net', ); foreach ($mails as $mail) { if (preg_match('/@([^.]+\.){0,}yamada\.com$/', $mail)) { echo "${mail} -> DISCARD\n"; } else { echo "${mail} -> OK\n"; } }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sALFQ on line 17 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sALFQ on line 19 a.yamada@yamada.com -> DISCARD a.yamada@sub.yamada.com -> DISCARD a.yamada@sub.sub.yamada.com -> DISCARD a.yamada@sub.sub.sub.yamada.com -> DISCARD a.yamada@sub.sub.sub.yamada.com -> DISCARD a.yamada@yamada.net -> OK a.yamada@sub.yamada.net -> OK a.yamada@sub.sub.yamada.net -> OK a.yamada@sub.sub.sub.yamada.net -> OK a.yamada@sub.sub.sub.yamada.net -> OK
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
a.yamada@yamada.com -> DISCARD a.yamada@sub.yamada.com -> DISCARD a.yamada@sub.sub.yamada.com -> DISCARD a.yamada@sub.sub.sub.yamada.com -> DISCARD a.yamada@sub.sub.sub.yamada.com -> DISCARD a.yamada@yamada.net -> OK a.yamada@sub.yamada.net -> OK a.yamada@sub.sub.yamada.net -> OK a.yamada@sub.sub.sub.yamada.net -> OK a.yamada@sub.sub.sub.yamada.net -> OK
preferences:
232.29 ms | 406 KiB | 370 Q