search for: this1is2a3test

...res only one number per string. I would then simply use the regexpr() funtion togheter with the substring function to extract the number. But regexpr only picks one number per string either from the beginning or the end, but not multiple. Can this be done? And how for example My string <- "this1is2a3test" The result I want is an vector of c(1,2,3) //Tom -- View this message in context: http://www.nabble.com/Finding-multiple-characters-in-the-same-string-tf4205206.html#a11961686 Sent from the R help mailing list archive at Nabble.com.