[erlang-questions] Erlang re:run regular exp, match problrm

Mathias <>
Sat Oct 30 13:34:08 CEST 2010


Works like a charm!

Many thanks dlfen!

BR,
Mathias

On Sat, Oct 30, 2010 at 1:03 PM, dlfen <> wrote:

> try this.
> re:run("<point x=\"12\" y=\"2\" z=\"4\"/><point x=\"4\" y=\"2\"
> z=\"14\"/>", "<point[^<point]*\/>",[global]).
>
>
> 在 2010-10-30,下午6:44, Mathias 写道:
>
> > Hi there,
> >
> > I'm trying to figure out how Erlangs re:run module works.
> >
> > When executing this::
> > 1> re:run("<point x=\"12\" y=\"2\" z=\"4\"/><point x=\"4\" y=\"2\"
> > z=\"14\"/>", "<point(?:\s|.)*\/>").
> > {match,[{0,54}]}
> >
> > I can see that it gives me a match on the complete XML representation
> > {match,[{0,54}]}.
> >
> > But what I really would like to do is for it to give me a subset of
> matches
> > on each entity similar to {match,[{0,26},{27, 26}]}.
> >
> > so the output would yield  something like this:
> > 0-26 gives the first xml entity complete with it's attributes <point
> x="12"
> > y="2" z="4"/> and
> > match 27,26 gives the remaining entity.
> >
> > If anyone can spot why my regexp:<point(?:\s|.)*\/> is failing and guide
> me
> > in the right direction closer to find the solution it will be greatly
> > appreciated.
> >
> > I know about xmerl but for my trivial case it seems like overkill.
> >
> > Thx in advance.
> >
> > BR,
> > Mathias Stalås
>
>


More information about the erlang-questions mailing list