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So I have a vector
lizt <- c("a","b","c")
> lizt
[1] "a" "b" "c"
and I can use sapply to paste characters after each element
lizt2 <- sapply(lizt,paste0, "$", USE.NAMES=F)
lizt2
[1] "a$" "b$" "c$"
now, how do I use a similar function to paste characters before each element, so I get
lizt3
[1] "^a$" "^b$" "^c$"
pasteandpaste0are vectorized, so you don’t needsapply