Named backreference in gsub()?

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