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@ 2021-07-06T07:01:27Z

<?php

$s = "Huawei MatePad 11 (2021)";
$regex = "/\(([^()]+)\)|\h+/";
$result = preg_replace_callback($regex, function($m) {
    return array_key_exists(1, $m) ? $m[1] : '-';
}, $s);
echo $result;

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)

preferences:dark modelive previewkey bindings

161.98 ms | 404 KiB | 5 Q