Re: How do I get a ] into a reg exp?

[Lennart Borgman]

Lennart Borgman wrote:
> Lennart Borgman wrote:
> > David Kastrup wrote:
> > > Lennart Borgman <address@hidden> writes:
> > >
> > >  
> > > > How do I write
> > > >
> > > >    (re-search-forward "[a-z\]]")
> > > >
> > > > I mean how do I get the ] into the characters to search for? It works
> > > > if I remove a-z. Looks like a bug to me.
> > > >     
> > >
> > > \] is the same as ] in string syntax.  Anyway:
> > >
> > > (info "(emacs) Regexps")
> > >
> > >      To include a `]' in a character set, you must make it the first
> > >      character.  For example, `[]a]' matches `]' or `a'.  To include a
> > >      `-', write `-' as the first or last character of the set, or put
> > >      it after a range.  Thus, `[]-]' matches both `]' and `-'.
> > >
> > >      To include `^' in a set, put it anywhere but at the beginning of
> > >      the set.  (At the beginning, it complements the set--see below.)
> > >
> > >   
> > Thanks. That was a surprise.
>
> New surprise. I still can not get it to work. This is my actual search:
>
>   (re-search-forward "'\\([][-+a-zA-Z~<>!;,:.'\"%/?(){}$^0|]\\)'" nil t)
>
>
> The above version does not match [  -- in the parenthesis.
But this one works:

    (re-search-forward "'\\([][+a-zA-Z~<>!;,:.'\"%/?(){}$^0|-]\\)'" nil t)

The - must be last. Thanks again.