search for: rexexp

...RSiteSearch("keyword or phrase") to search the CRAN website via Jonathan Baron's search engine. This can also be done directly from CRAN by following the "search" link there. And, occasionally, find()/apropos() to search **the attached session packages** for functions using rexexp's. Though R certainly can be intimidating, please **do** try these measures first before posting questions to the list. And please **do** read the other basic R reference materials. Better and faster answers can usually be found this way. -- Bert Gunter Genentech Non-Clinical Statistics Sout...

Full_Name: Mark Bravington Version: 2.6.2 patched OS: Windows XP Pro Submission from: (NULL) (140.79.22.104) > grep( '[:upper:]', letters, val=T) # shurely shouldn't match anything ?? [1] "e" "p" "r" "u" The converse ( '[:lower:]' and LETTERS) seems to work OK. --please do not edit the information below-- Version: platform =

Interesting. Not what I expected. This is Ruby 1.8.6. > irb irb(main):001:0> str = "abx\bc" => "abx\bc" irb(main):002:0> str.length => 5 irb(main):003:0> s = str.sub(/.\b/, '''') => "ab\bc" irb(main):004:0> s.length => 4 irb(main):005:0> s = str.sub(/.\x08/, '''') => "abc"

Dear all I use R for Windows 2.3.1 on a fully updated Windows XP Home SP2 machine and I have two related regular expression problems. platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor