Description Usage Arguments Examples
View source: R/casechange-functions.R
char_tolower
and char_toupper
are replacements for
base::tolower() and base::tolower()
based on the stringi package. The stringi functions for case
conversion are superior to the base functions because they correctly
handle case conversion for Unicode. In addition, the *_tolower()
functions
provide an option for preserving acronyms.
1 2 3 | char_tolower(x, keep_acronyms = FALSE)
char_toupper(x)
|
x |
the input object whose character/tokens/feature elements will be case-converted |
keep_acronyms |
logical; if |
1 2 3 4 5 6 7 8 9 10 | txt1 <- c(txt1 = "b A A", txt2 = "C C a b B")
char_tolower(txt1)
char_toupper(txt1)
# with acronym preservation
txt2 <- c(text1 = "England and France are members of NATO and UNESCO",
text2 = "NASA sent a rocket into space.")
char_tolower(txt2)
char_tolower(txt2, keep_acronyms = TRUE)
char_toupper(txt2)
|
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