Re: boost.regex and submatches

From: markus_schoepflin (markus.schoepflin_at_[hidden])
Date: 2001-12-13 08:25:28

--- In Boost-Users_at_y..., John Maddock <john_maddock_at_c...> wrote:
> 
> >I'm trying to match strings of the form "a&b&c&d" with the 
following 
> >expression: "(?:([^&]+)&)*([^&]+)". This nicely matches the whole 
> >string but instead of giving me the submatches "a", "b", "c" 
and "d" 
> >I just get "c" and "d". Could anyone tell me what I'm doing wrong?
> 
> Look more closely at your expression: it has only *two* marked
> sub-expressions, $1 gets "overwritten" each time it matches.
> 

Thanks for the answer. Seems like I have to revise my understandig of 
sub-expressions a litte. :-)

Markus