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Re: regexp-opt for all kinds of strings


From: David Hansen
Subject: Re: regexp-opt for all kinds of strings
Date: Thu, 19 Jul 2007 03:58:34 +0200
User-agent: Gnus/5.110007 (No Gnus v0.7) Emacs/22.1.50 (gnu/linux)

On Wed, 18 Jul 2007 09:21:34 -0700 Nordlöw wrote:

> Why aren't all kinds of characters allowed in regexp-opt()? I am doing
> syntax highlighting of operators in c-mode and would like regexp-opt
> to work for lists such:
>   '("+" "-" "*" "/" "++" "--")

What's wrong with

ELISP> (regexp-opt '("+" "-" "*" "/" "++" "--"))
"\\+\\+\\|--\\|[*+/-]"

?

BTW "[-+*/>!]" should do the job.

David





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