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R function: casefold

casefold() converts a character vector to upper or lower case, depending on the value of the parameter upper.
#
#   S.a. -> tolower(), -> toupper()
#           ../examples/basic_string_manipulation.R
#

str = "Foo Bar Baz"

casefold(str)
# [1] "foo bar baz"

casefold(str, upper = TRUE)
# [1] "FOO BAR BAZ"

Github repository about-r, path: /functions/casefold.R

See also

tolower() and toupper()
Basic string manipulation
Index to (some) R functions

Index

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