Reverse digits in R

Question

How can you reverse a string of numbers in R?

for instance, I have a vector of about 1000 six digit numbers, and I would like to know if they are palindromes. I wo

Answer 1

There is function in stringi package for that - stri_reverse

require(stringi)
stri_reverse("123456")
## [1] "654321"

Now palindrome function might as simple as that:

palindrome <- function(x) stri_reverse(x)==x
palindrome(c("651156","1234321"))
## [1] TRUE  TRUE