RE: Regular expression match

["Timothy Schaeffer"]

> Pascal J. Bourguignon wrote:
> > Qiang <mcknight0219@xxxxxxxxx> writes:
> > 
> >> I am trying to use regular expression in Emacs. And I have question 
> > Using groups and match-string.  For example:
> > 
> > (when (re-search-forward "Vol.\(8\)")
> >    (match-string 1))
> 
> The regexp string should be "Vol\\.\\(8\\)"

And you can avoid emacs' regexp-in-strings hyperquoting with the rx macro.

(rx "Vol." (group "8")) = "Vol\\.\\(8\\)"

Tim S