t <- "TheWeatherIsVeryNice" How do I extract the upper case letters? - TWIVN Thanks! -- View this message in context: http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664.html Sent from the R help mailing list archive at Nabble.com.
How do you want your output? If you want a character vector of
lowercase letters, just use gsub("[^::A-Z::]","", t) to
substitute ""
for all non-uppercase characters. strsplit() can lead you to a vector
of the single-letter upper case letters.
Best,
Michael
On Wed, Jun 27, 2012 at 2:15 PM, mdvaan <mathijsdevaan at gmail.com>
wrote:> t <- "TheWeatherIsVeryNice"
>
> How do I extract the upper case letters? - TWIVN
>
> Thanks!
>
> --
> View this message in context:
http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> 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.
Hello, Try the following. txt <- "TheWeatherIsVeryNice" Up <- strsplit(txt, "[[:lower:]]*") Up[Up != ""] Hope this helps, Rui Barradas Em 27-06-2012 20:15, mdvaan escreveu:> t <- "TheWeatherIsVeryNice" > > How do I extract the upper case letters? - TWIVN > > Thanks! > > -- > View this message in context: http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. >
----- Forwarded Message -----
From: arun <smartpink111 at yahoo.com>
To: mdvaan <mathijsdevaan at gmail.com>
Cc: R help <r-help at r-project.org>
Sent: Thursday, June 28, 2012 1:44 AM
Subject: Re: [R] Extract upper case letters
Hi,
Try this:
t <- "TheWeatherIsVeryNice"
?t1<-gsub("[:A-Z:]","",t)
?t1
[1] "heeatherseryice"
t2<-gsub("[:a-z:]","",t)> t2
[1] "TWIVN"
A.K.
----- Original Message -----
From: mdvaan <mathijsdevaan at gmail.com>
To: r-help at r-project.org
Cc:
Sent: Wednesday, June 27, 2012 3:15 PM
Subject: [R] Extract upper case letters
t <- "TheWeatherIsVeryNice"
How do I extract the upper case letters? - TWIVN
Thanks!
--
View this message in context:
http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664.html
Sent from the R help mailing list archive at Nabble.com.
______________________________________________
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.
Thanks, all solutions worked like a charm. Math arun kirshna wrote> > ----- Forwarded Message ----- > From: arun <smartpink111@> > To: mdvaan <mathijsdevaan@> > Cc: R help <r-help@> > Sent: Thursday, June 28, 2012 1:44 AM > Subject: Re: [R] Extract upper case letters > > Hi, > > Try this: > t <- "TheWeatherIsVeryNice" > ?t1<-gsub("[:A-Z:]","",t) > ?t1 > [1] "heeatherseryice" > > > t2<-gsub("[:a-z:]","",t) >> t2 > [1] "TWIVN" > > > A.K. > > > > > ----- Original Message ----- > From: mdvaan <mathijsdevaan@> > To: r-help@ > Cc: > Sent: Wednesday, June 27, 2012 3:15 PM > Subject: [R] Extract upper case letters > > t <- "TheWeatherIsVeryNice" > > How do I extract the upper case letters? - TWIVN > > Thanks! > > -- > View this message in context: > http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@ 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@ 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. >-- View this message in context: http://r.789695.n4.nabble.com/Extract-upper-case-letters-tp4634664p4634802.html Sent from the R help mailing list archive at Nabble.com.