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<?php var_dump(preg_match('/^[a-z0-9-]/i', 'Something.doc')); var_dump(preg_match('/^[a-z0-9-]*/i', 'Something.doc')); var_dump(preg_match('/^[a-z0-9-]*$/i', 'Something.doc')); var_dump(preg_match('/^[a-z0-9-.]*$/i', 'Something.doc')); var_dump(preg_match('/^[a-z0-9-]/i', 'Something#&.doc')); var_dump(preg_match('/^[a-z0-9-]*/i', 'Something#&.doc')); var_dump(preg_match('/^[a-z0-9-]*$/i', 'Something#&.doc')); var_dump(preg_match('/^[a-z0-9-.]*$/i', 'Something#&.doc'));
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(1) int(0) int(1) int(1) int(1) int(0) int(0)

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