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@ 2016-10-04T07:02:38Z

<?php

foreach (['?', '*', '`', '|'] as $value) {
    $result = preg_match("/[\!\#\$\%\(\)\*\+\-\.\/\:;\=\?\@\[\]\^_`\{\|\}]+|[0-9]+/", $value);
    var_dump(compact('value', 'result'));
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
compact: documentation ( source)

preferences:dark modelive previewkey bindings

63.73 ms | 2056 KiB | 5 Q