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<?php $url='https://www.dropbox.com/s/t16e9t2dyv2snl2/Vind%20gratis%20artikelen%20en%20de%20beste%20koopjes%20op%20nl.pepper.com.pdf'; $valid = filter_var($url,FILTER_VALIDATE_URL) !== false; var_dump($valid);
Output for git.master, git.master_jit, rfc.property-hooks
bool(true)

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