哪些字符会使 URL 无效? [英] Which characters make a URL invalid?

问题描述

哪些字符会使 URL 无效?

Which characters make a URL invalid?

这些网址是否有效?

• example.com/file[/].html
• http://example.com/file[/].html

推荐答案

通常由 RFC 定义的 URI3986(请参阅第 2 节:字符)可能包含任何以下 84 个字符:

In general URIs as defined by RFC 3986 (see Section 2: Characters) may contain any of the following 84 characters:

ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=

请注意，此列表并未说明这些字符可能出现在 URI 中的哪个位置.

Note that this list doesn't state where in the URI these characters may occur.

任何其他字符都需要使用百分比编码(%hh)进行编码.URI 的每一部分都进一步限制了哪些字符需要用百分比编码的词来表示.

Any other character needs to be encoded with the percent-encoding (%hh). Each part of the URI has further restrictions about what characters need to be represented by an percent-encoded word.

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