qdapRegex 0.5.0

Upper/Lower/Title Case

Usage

TC(text.var, lower = NULL, ...)


L(text.var, ...)


U(text.var, ...)

Arguments

text.var
The text variable.
lower
A vector of words to retain lower case for (unless first or last word).
...
Other arguments passed to: stri_trans_tolower, stri_trans_toupper, and stri_trans_totitle.

Value

Returns a character vector with new case (lower, upper, or title).

Description

TC - Capitalize titles according to traditional capitalization rules.

L - All lower case.

U - All upper case.

Details

Case wrapper functions for stringi's stri_trans_tolower, stri_trans_toupper, and stri_trans_totitle. Functions are useful within magrittr style chaining.

Note

TC utilizes additional rules for capitalization beyond stri_trans_totitle that include:

  1. Capitalize the first & last word
  2. Lowercase articles, coordinating conjunctions, & prepositions
  3. Lowercase "to" in an infinitive

Examples

y <- c(
   "I'm liking it but not too much.",
   "How much are you into it?",
   "I'd say it's yet awesome yet."
)
L(y)



[[1]]
[1] "i'm liking it but not too much."

[[2]]
[1] "how much are you into it?"

[[3]]
[1] "i'd say it's yet awesome yet."




U(y)



[[1]]
[1] "I'M LIKING IT BUT NOT TOO MUCH."

[[2]]
[1] "HOW MUCH ARE YOU INTO IT?"

[[3]]
[1] "I'D SAY IT'S YET AWESOME YET."




TC(y)



[[1]]
[1] "I'm Liking It but Not Too Much."

[[2]]
[1] "How Much Are You into It?"

[[3]]
[1] "I'd Say It's yet Awesome Yet."

See also

stri_trans_tolower, stri_trans_toupper, stri_trans_totitle