Subject: bug#15197: 24.3.50; Regexp Isearch for character classes

From: Nicolas Richard <[email-masked]>
Date: Tue, 27 Aug 2013 14:32:38 +0200

Dani Moncayo <[email-masked]> writes:
> Recipe from "emacs -Q":
>   C-M-s [ : a l p h a : ]

> [1] I've checked "(elisp) Char Classes".

See (info "(elisp) Regexp Special") : character classes work in
alternatives, so you should use [[:alpha:]] instead of just [:alpha:]

hth,

-- 
Nico.