[R] reverse string

[Gavin Simpson]

On Wed, 2010-07-14 at 12:13 +0200, Trafim Vanishek wrote:
> Dear all,
> 
> Are there any functions in R to reverse the order of the string.
> smth like reverse("abc") to get "cba"?

> paste(rev(strsplit("abc", split = "")[[1]]), collapse = "")
[1] "cba"

If your real data is a vector of strings to reverse then

strings <- c("abc","abc","abc")
sapply(strsplit(strings, split = ""),
       function(str) {paste(rev(str), collapse = "")})

is one way to do this.

HTH

G

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