This will ask Ostrich for a string that does not match our regex, but does match type="email", meaning that the regex is in some sense more restrictive than the default browser validation of email addresses. These regexes would actually do something if attached to an input element with type email, since they would exclude any string that satisfies the constraints.
具体来说，我们所采用的机器人，核心形态都是“手、眼、脑”，即“臂、摄像头、大脑模型”的组合。我们目前的主力产品是单臂+摄像头+大脑模型。但这个大脑将来可以驱动单臂、移动机械臂、轮式双臂，还有人形。
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圖像來源，AFP via Getty Images
Especially notorious is lead chromate mixed in with cinnamon to achieve a bright colour or bulk out the powders.