[R] gsubfn, strapply, REGEX Problem

[Johannes Graumann]

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Thanks for looking at this. The "\"" was an oversight for the example, but the "backref" bit solves my problem ... I wonder whether that used to be the default and was recently changed?

Thanks for your help!

Joh

Gabor Grothendieck wrote:

> There is no quote terminating the first argument and you
> need to add the backref = 0 argument so that it does
> not interpret the parentheses in the regular expression
> as back references.
> 
> Its not clear to me what the intention is here so there
> may be further changes needed but the ones above
> result in no error message.
> 
> On Tue, Oct 28, 2008 at 7:39 AM, Johannes Graumann
> <johannes_graumann at web.de> wrote:
>> Hi all,
>>
>> I swear this used to work:
>>
>> library(gsubfn)
>> strapply("S(AC,P)TVDK(8)EELVQK(8), ".[(].{1,2}[)]|.")[[1]]
>>
>> But somewhere along the update path it stopped ... now giving me this
>>
>> Error in base::gsub(pattern, rs, x, ...) :
>>  invalid backreference 2 in regular expression
>>
>> Can't figure it out. What am I doing wrong?
>>
>> Thanks for any hints, Joh
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html and provide commented,
>> minimal, self-contained, reproducible code.
>>
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html and provide commented,
> minimal, self-contained, reproducible code.
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