Re: [R] how to grep in r

Something like tbp <- as.numeric( gsub("(.*-)?([0-9]+)\\+?","\\2", Trade_Price_Band) ) would get you the numbers you want. The '500+' is then treated as 500, though. One way of getting round that might be tbp <- as.numeric( gsub("(.*-)?([0-9]+)","\\2", Trade_Price_Band) ) then tbp[is.na(t

Re: [R] how to grep in r

Hi, #A lengthy solution for the simple problem. #dat1 is the dataset res<-unlist(lapply(strsplit(dat1[,1],split="-"),function(x) if(length(x)==1) rep(x,2) else x)) res[seq(from=2,to=length(res),by=2)] #or gsub("[-]","",unlist(regmatches(dat1[,1],gregexpr("-.*|.*\\+",dat1[,1] A.K. - O

Re: [R] how to grep in r

assuming you want more than just the first four rows tpb <- read.table( text = " Trade_Price_Band x 1 0-30 0.6237240 2 101-150 0.6743857 3 151-200 0.6778513 4 201-300 0.6640293 5 301-400 0.6630991 6 31-50 0.6314547 7