'number' => '[0-9]{1,}',
'hash:md5' => '[0-9a-f]{32}',
'hash:sha1' => '[0-9a-f]{40}',
'hash:sha256' => '[0-9a-f]{64}',
'hash:invalid-algo' => NULL,
'number' => '[0-9]{1,}',
'hash:md5' => '[0-9a-f]{32}',
'hash:sha1' => '[0-9a-f]{40}',
'hash:sha256' => '[0-9a-f]{64}',
'hash:invalid-algo' => NULL,