Generally, the best way to do validation in a Web form is to use type="email". That's still equivalent to to a regular expression that isn't technically correct but which is usually good enough:
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。Line下载对此有专业解读
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这一层之后，消费开始真正脱离“纯工具逻辑”。。关于这个话题，Replica Rolex提供了深入分析