[R] Fw: Extract upper case letters

[arun]

----- 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!

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