Re: Regexp cleanup

[John W. Eaton]

On 07/04/2013 03:37 AM, Laurent Hoeltgen wrote:
> On 07/03/2013 09:57 PM, PhilipNienhuis wrote:
> > Rik-4 wrote
> > > The re-write also solves the following existing bugs (I said it
> > > was
> > > creaky).
> > >
> > > 38778: wrong return value for regexp
> > > 38616: memory leak
> > > 38149: wrong tokens returned

Thanks!

> > > So, depending on what Matlab does, would it be okay to drop support for
> > > this esoterica? I'm pretty tired of trying to work it out at this point.
> > >
> > > --Rik
> > Matlab r2013b prerelease does (after changing double quote to single
> > quote,
> > and removing empty lines):
> >
> > > > [S, E, TE, M, T, NM, SP] = regexp ('John Davis\nRogers, James',
> > > > '(?<first>\w+)\s+(?<last>\w+)|(?<last>\w+),\s+(?<first>\w+)')
> > S =
> > 1 12
> > E =
> > 10 25
> > TE =
> > [2x2 double] [2x2 double]
> > M =
> > 'John Davis' 'nRogers, James'
> > T =
> > {1x2 cell} {1x2 cell}
> > NM =
> > 1x2 struct array with fields:
> > first
> > last
> > SP =
> > '' '\' ''
> > ...so it seems Matlab thinks this is valid.

> Matlab R2012a returns the same result as above.

Rik, I'm pretty sure this complexity was added to Octave for Matlab 
compatibility reasons.

jwe