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run code in 300+ PHP versions simultaneously
<?php function chk($word) { echo PHP_EOL . 'Word: ' . $word . PHP_EOL; echo 'pattern: 1.' . PHP_EOL; if (preg_match('/^.*[0-90-9]$/u', $word)) { echo 'Ok.' . PHP_EOL; } else { echo 'Ng.' . PHP_EOL; }; echo 'pattern: 2.' . PHP_EOL; if (preg_match('/^[0-90-9]+$/u', $word)) { echo 'Ok.' . PHP_EOL; } else { echo 'Ng.' . PHP_EOL; }; } chk('abc12345'); chk('abc12345'); chk('12345'); chk('12345'); chk('1122334455');

preferences:
176.28 ms | 404 KiB | 5 Q