可以在网址中使用方括号或括号吗? [英] Is it ok to have brackets or parenthesis in URL?

问题描述

我为我的AdWord广告系列生成了网址，某些Campangin名称的括号内有()和 [] 括号.样本网址看起来像这样

Im generating URLs for my AdWord campaigns and some campangin names have brackets in them ( ) and [ ] brackets. And a sample url looks likes this

http://www.website.com/?utm_source=google%5BB%2B%5D&utm_medium=cpc&utm_content=google_ad(B)&utm_campaign=product

这样可以吗?

推荐答案

在URL的查询部分(即?"之后的部分)中可以使用括号()".可以(但不是必须)对它们进行％编码，例如％28"和％29".

Parentheses "()" may be used as such in the query part of URL (i.e., the part after "?"). It is allowable, but not necessary, to %-encode them, as "%28" and "%29".

在查询部分中，括号"[]"应进行％编码，分别为％5B"和％5D".

Brackets "[]" shall be %-encoded, as "%5B" and "%5D", in the query part.

这样正确构成了示例URL，它是www.website.com实际存在的真实URL(请使用www.example.com作为虚拟域名，保证不存在).

The sample URL, which is a real URL as www.website.com actually exists (please use www.example.com as a dummy domain name, it is guaranteed to not exist), is thus correctly formed.

URL语法的一般规则在Internet标准STD 66中定义，该标准当前为 RFC 3986.它的附录A指定了字符规则，将括号列为"sub-delims"组，允许在查询部分中不进行％编码，但括号中的列则属于"gen-delims"，应进行％编码.

The general rules for URL syntax are defined in Internet-standard STD 66, which is currently RFC 3986. Its Appendix A specifies the rules for characters, listing parentheses as belonging to the "sub-delims" group which is allowed without %-encoding in the query part but the brackets as belonging to "gen-delims" which shall be %-encoded.

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