How do I format a backslash as code with backticks in comments?

Question

I'm trying to write a single backslash in a comment as code formatted by backtick. Like this:

`\`

but it escapes the backtick and doesn't close the "inline code block".

I've read Backslash escaped with backticks rendered incorrectly in comments but couldn't figure out.

How do I format a single backslash in comment as code?

Answer 1

Using 2 backticks seems to work

``\``

BTW if you want to escape a backtick use

`\``

Answer 2

``\`` → \ : to format a single backslash as `code` in comments, enclose it in double backticks.

Same for the more general case of a \ at the end of a `code` section:
Comment source ``C:\Windows\`` renders to C:\Windows\.

A backslash at any position other than the end works fine between `single backticks`. (As well as ``double ones``.)

(\ is not treated as special in comment `code` sections, except when followed by a backtick while enclosed by single backticks:
Comment source `…\`…` renders to …`….
But ``…\`…`` renders to …\`….

If you need both a trailing backslash \ and any number of backticks ` at the beginning, you can go dirty hack and separate the content backticks from the surrounding backticks with an invisible Unicode character, like zero width space: You can copy it from between the arrows: →​← (It's invisible, but it's there, I promise! ;) To get a hold of it, copy the arrows along with it, then delete them after pasting.)

(If you need both a trailing backslash \ and an occurrence of a double backtick `` in the interior of your `code` section, you can enclose it in triple backticks ```…``` and so on.)
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_{Credits: This post was helped by juergen d's answer and ThisSuitIsBlackNot's comment (on a similar question) - thanks!}