Re: Do POSIX classes work in regular expression searches?

[Perry Smith]

On Jul 22, 2011, at 8:12 PM, Mark S wrote:

> 
> I've been trying to do some simple searches like:
> 
> (query-replace-regexp "<span[:ascii:]*?</span>+" "test")
> 
> 
> or even the simpler
> 
> (query-replace-regexp "[:ascii:]*" "test")
> 
> and not getting anywhere. Emacs just looks for the characters ":acis" -- not 
> for the POSIX character set of all ASCII characters. Trying it with other 
> sets also got me nowhere. These character classes are listed in the Emacs 
> documentation -- is there a trick to getting them to work?

Looks like you need two sets of brackets?

[[:ascii:]]*