在Google中寻找特殊字符 [英] Looking for special characters in Google

问题描述

您知道如何通过Google ...查找特殊字符吗?

Do you know how to look for special characters with google...?

我正在查看bash代码，这里有##运算符.我想知道它的作用，但是我无法找到一种保护角色的方法(我不确定这是否有可能).

I'm looking at bash code and there's the ## operator. I would like to know what It does but I wasn't able to figure out a way to protect the character (I'm not sure it's even possible).

当您寻找某些代码模式时，某些字符总是被忽略，这会特别令人讨厌.

This is particularly annoying when you're looking for some code patterns, some characters are always ignored.

推荐答案

Google从查询中删除了大多数标点符号，如

Google strips most punctuation from queries, as described here, so it won't help you with the bash syntax.

在bash文档中搜索字符串"##"非常容易:只需运行"info bash"，单击"s"，然后输入"##"作为搜索字符串.

It's very easy to search for the string "##" in the bash documentation: Just run "info bash", hit "s", and enter "##" as the search string.

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