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Re: rx of (any SET...)

From: Michael Heerdegen
Subject: Re: rx of (any SET...)
Date: Wed, 17 Aug 2022 22:34:53 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Michael Albinus <> writes:

> (concat "[^" (bound-and-true-p mm-7bit-chars) "]")
> I want to write it in rx notation, but I fail. I know how to use xr for
> reverse engineering, but I'd like to keep the variable mm-7bit-chars in
> the rx notation, and not to replace it by the literal string.

C-h f rx RET:
| (regexp EXPR) Match the string regexp from evaluating EXPR at run time.

That's exactly what you are looking for...correct?

(the other) Michael

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