Dear all, I just want to determine if the characters in a character string are the same or not. For example,
temp <- c("aa", "aA", "ab") How do I determine the first one have the two same “a”, and the second and third have the different characters? Thanks in advance. Lisa -- View this message in context: http://r.789695.n4.nabble.com/Tell-the-difference-between-characters-tp3476130p3476130.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.