Re: [OctDev] bug in regexp

[Paul K. <pki...@us...>]

Yes, I added regexp before it was available in matlab.  Please update=20
the interface to be compatible.

Please see the list for a discussion about escape characters in=20
strings.  My understanding is that recent versions of octave default to=20=

string constants which do not process string escapes, and so should be=20=

compatible with matlab.

Thanks,

	- Paul

On Sep 6, 2005, at 9:04 AM, Stefan van der Walt wrote:

> Regexp follows Paul Kienzle's convention, rather than MATLAB's.  I
> think it was probably coded before MATLAB had regexp?  'pcregexp'
> follows the same convention as 'regexp', so if you update the
> interface, please look at both.
>
> Regards
> St=E9fan
>
> P.S. Metasymbols work with `pcregexp'
>
> On Tue, Sep 06, 2005 at 08:33:53AM -0400, Hall, Benjamin wrote:
>> There is an interface incompatibility between octave-forge regexp and
>> Matlab's regexp, most importantly, the order of the inputs
>>
>> Octave:
>> [match s1 s2 ...] =3D regexp(pattern,string)
>>
>> Matlab:
>> [START,FINISH,TOKENS] =3D REGEXP(STRING,EXPRESSION)
>>
>> Also, I don't know if it is me, but I have never been able to get any=20=

>> of the
>> metasymbols to work:
>>
>> pat =3D '(\d)+';  ## Octave complains about "\d", so
>> pat =3D '(\\d)+';
>>
>> str =3D 'number of points is 475'
>>
>> regexp(pat,str)
>>
>> returns an empty matrix.
>
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