[R] Regular expressions & sub

[bogdan romocea]

One solution is
test <- c("1.11","10.11","11.11","113.31","114.2","114.3")
id <-  unlist(lapply(strsplit(test,"[.]"),function(x) {x[2]}))


> -----Original Message-----
> From: Bernd Weiss [mailto:bernd.weiss at uni-koeln.de] 
> Sent: Thursday, August 18, 2005 12:10 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Regular expressions & sub
> 
> 
> Dear all,
> 
> I am struggling with the use of regular expression. I got
> 
> > as.character(test$sample.id)
>  [1] "1.11"   "10.11"  "11.11"  "113.31" "114.2"  "114.3"  "114.8"  
> 
> and need
> 
> [1] "11"   "11"  "11"  "31" "2"  "3"  "8"
> 
> I.e. remove everything before the "." .
> 
> TIA,
> 
> Bernd
> 
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