RE: [External] : Regexp for matching (defun lines

[Drew Adams <drew.adams@oracle.com>]

> > > > (concat
> > > > "^\\s-("
> > > > (regexp-opt...)
> > > > t)
> > > > "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)")
> > >
> > > I see that you use "\\sw". What is the advantage verses "[[:alnum:]-
> _]"
> >
> > No special advantage. You can include any other
> > chars you want, so you can pick up, e.g.,
> >
> > (defun foo!@$%^&*+={}/:42<>? ()
> >   (message "Hello"))
> >
> > Perfectly legitimate, and none of those chars
> > even require escaping.
> 
> Meaning that \\sw is superior to [[:alnum:]-_], right ?

No.

\\sw means word-char syntax.
[[:alnum:]-_] means alphanumeric- or symbol-char syntax.