bug#25445: Bug (Trunk): Redirect fails in Duckduckgo

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Mon, 16 Jan 2017 13:24:08 -0500
> Cc: 25445@debbugs.gnu.org
> 
> On Mon, Jan 16, 2017 at 1:12 PM, Achim Gratz <Stromeko@nexgo.de> wrote:
> > npostavs@users.sourceforge.net writes:
> >>        (when (or (string-match "^\\([0-9]+\\) *;.*url=\"\\([^\"]+\\)\"" 
> >> refresh)
> >> +                (string-match "^\\([0-9]+\\) *;.*url=\'\\([^\']+\\)\'" 
> >> refresh)
> >>                  (string-match "^\\([0-9]+\\) *;.*url=\\([^ ]+\\)" 
> >> refresh))
> >
> > Why not use a regex with alternatives and do just a single match?
> 
> Stefan made the same suggestion:
> https://lists.gnu.org/archive/html/emacs-devel/2017-01/msg00268.html
> 
> I'm not entirely sure it's an improvement.

Neither am I: it would make the regexp harder to interpret (for
humans).