Just add '.' to the pattern specifier: > MyString <- "ABCFR34564IJVEOJC3434.16ABC123.456KJHLKJH23452345AAA" > # translate to the pattern sequences > x <- chartr('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.' + , '0000000000000000000000000011111111111' + , MyString + ) > x.rle <- rle(strsplit(x, '')[[1]]) # determine the runs > # create extraction matrix > x.ext <- cbind(cumsum(c(1, head(x.rle$lengths, -1))) + , cumsum(x.rle$lengths) + ) > substring(MyString, x.ext[,1], x.ext[,2]) [1] "ABCFR" "34564" "IJVEOJC" "3434.16" "ABC" "123.456" "KJHLKJH" "23452345" "AAA" >
On Sun, Feb 13, 2011 at 2:07 PM, jim holtman <jholt...@gmail.com> wrote: > If you have an indeterminate number of the patterns in the string, try > the following: > >> MyString <- "ABCFR34564IJVEOJC3434" >> # translate to the pattern sequences >> x <- chartr('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' > + , '000000000000000000000000001111111111' > + , MyString > + ) >> x.rle <- rle(strsplit(x, '')[[1]]) # determine the runs >> # create extraction matrix >> x.ext <- cbind(cumsum(c(1, head(x.rle$lengths, -1))) > + , cumsum(x.rle$lengths) > + ) >> substring(MyString, x.ext[,1], x.ext[,2]) > [1] "ABCFR" "34564" "IJVEOJC" "3434" >> > > > On Sun, Feb 13, 2011 at 10:27 AM, Megh Dal <megh700...@gmail.com> wrote: >> Please consider following string: >> >> MyString <- "ABCFR34564IJVEOJC3434" >> >> Here you see that, there are 4 groups in above string. 1st and 3rd groups >> are for english letters and 2nd and 4th for numeric. Given a string, how can >> I separate out those 4 groups? >> >> Thanks for your time >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> > > > > -- > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? ______________________________________________ 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.