Hi, May be this helps: library(gsubfn) as.numeric(strsplit(gsub("[c() ]","",gsubfn("([0-9]+)-([0-9]+)", ~as.numeric(seq(x,y)),x)),",")[[1]]) #[1] 2 5 6 7 10 12 13 14 15 A.K.
----- Original Message ----- From: Chris Stubben <stub...@lanl.gov> To: r-help@r-project.org Cc: Sent: Wednesday, August 14, 2013 1:41 PM Subject: [R] convert delimited strings with ranges to numeric Is there an easy way to convert character strings with comma-separated numbers and ranges to a numeric vector? x<- "2,5-7,10,12-15" [1] 2 5 6 7 10 12 13 14 15 Thanks, Chris -- Chris Stubben Los Alamos National Lab Bioscience Division MS M888 Los Alamos, NM 87545 ______________________________________________ R-help@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. ______________________________________________ R-help@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.