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run code in 300+ PHP versions simultaneously
<?php $re = "/^[a-zA-Z ,.\p{Han}]+$/"; $tests = array( 'Mr Smith', 'Mr. Smith', 'Mr. 123 Smith', '姓名' ); foreach ($tests as $test) { if (preg_match($re, $test) !== 1) { echo $test . ' failed' . PHP_EOL; } }

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