Thanks Tomas. Do note that my original post also mentioned a bug or doc
error in the PCRE docs for this regexp:
- perl = TRUE does *not* give the documented result on at least one
system (which is "123456789", because "{,5}" is documented to not be a
quantifier, so it should only match the
On 7/29/24 09:37, Ivan Krylov via R-devel wrote:
В Sun, 28 Jul 2024 20:02:21 -0400
Duncan Murdoch пишет:
gsub("^([0-9]{,5}).*","\\1","123456789")
[1] "123456"
This is in TRE itself: for "^([0-9]{,1})" tre_regexecb returns {.rm_so
= 0, .rm_eo = 1}, matching "1", but for "^([0-9]{,2})" and ab