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<?php $ticket = 'skf243985hf2387bf87'; $isValid = true; if (empty($ticket) || '_' == $ticket || preg_match('/[^a-z0-9]+/i', $ticket)) { $isValid = false; } var_dump($isValid);
Output for git.master, git.master_jit, rfc.property-hooks
bool(true)

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