From hb at stat.berkeley.edu  Sun Oct  4 23:46:15 2009
From: hb at stat.berkeley.edu (Henrik Bengtsson)
Date: Sun, 4 Oct 2009 14:46:15 -0700
Subject: [Rd] Named backreference in gsub()?
In-Reply-To: <971536df0910030703i66ab6b5fj847ff0a12dc9e17b@mail.gmail.com>
References: <59d7961d0910022317w17051012u3c4bf5c22a6de8e5@mail.gmail.com> 
	<971536df0910030703i66ab6b5fj847ff0a12dc9e17b@mail.gmail.com>
Message-ID: <59d7961d0910041446j756a2bffh37a23192670ce2cf@mail.gmail.com>

Thanks, it works like a charm.

/Henrik

On Sat, Oct 3, 2009 at 7:03 AM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> strapply in the gsubfn package matches a regular expression and passes
> each back reference as a separate argument to the indicated function,
> in this case paste. ?Any number of back references may be used. ?Here
> is an example where there are more than 9:
>
>> # pass each back reference in regular expression to function
>> # returning function's output
>> library(gsubfn)
>> strapply("abcdefghijklmnop", "(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)", paste)
> [[1]]
> [1] "a b c d e f g h i j"
>
> See home page at: http://gsubfn.googlecode.com
>
> On Sat, Oct 3, 2009 at 2:17 AM, Henrik Bengtsson <hb at stat.berkeley.edu> wrote:
>> Hi,
>>
>> I'm running out of the *numbered* backreferences \\1, \\2, ..., \\9
>> for gsub(). ?Does R support *named* backreferences, and if so, what is
>> the syntax?
>>
>> Thanks
>>
>> Henrik
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>



[Rd] Named backreference in gsub()?
Henrik Bengtsson