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<? $str = "1234567 foo bar 122345678 baz 1222345 abc 11111222345 de xy 712111345446 is valid or even 49833376543"; if(preg_match_all('~\d{7,}~', $str, $out) > 0) { $res = array_filter($out[0], function($v) { return count(array_unique(str_split($v))) >= 7; }); } print_r($res); ?>
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
<? $str = "1234567 foo bar 122345678 baz 1222345 abc 11111222345 de xy 712111345446 is valid or even 49833376543"; if(preg_match_all('~\d{7,}~', $str, $out) > 0) { $res = array_filter($out[0], function($v) { return count(array_unique(str_split($v))) >= 7; }); } print_r($res); ?>
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.18, 7.3.0 - 7.3.5, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Array ( [0] => 1234567 [1] => 122345678 [4] => 712111345446 [5] => 49833376543 )

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