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@ 2015-05-06T20:02:35Z

<?php

$psm_name = 'test-name';

if (preg_match("/^[-a-zA-Z0-9&@#_.\s^'\"]+$/", $psm_name)) {
        echo true;
    } else {
        echo false;
    }

Output
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References
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preg_match: documentation ( source)

preferences:dark modelive preview

45.86 ms | 402 KiB | 5 Q