Convert text to lower or upper case.
a character string.
a character string coerced to the specified case.
casefold, tolower, toupper.
x <- "A dog and a cat"
Questions? Problems? Suggestions? Tweet to @rdrrHQian@mutexlabs.com.
Please suggest features or report bugs with the GitHub issue tracker.
All documentation is copyright its authors; we didn't write any of that.