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如何去除复制过来的特殊空字符问题？

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如何去除复制过来的特殊空字符问题？

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复制过来的字符有时候会带上一些特殊的字符，看起来是不存在的，转码才会发现，验证的时候就会出问题，怎么去除？是找出所以这种字符转码然后用正则替换吗？还有其他什么方法吗？请教下


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by (71.8m points)

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特殊字符，所以你也没办法去除，你只能保留你要的内容

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