slice character vector

slice character vector

Usage

slice_char(x, from = x[1], to = x[length(x)], unique = FALSE)

Arguments

x

character vector

from

from

to

to

unique

remove the duplicated boundary characters

Value

sliced vector

Examples

x <- c("A", "B", "C", "D", "E")
slice_char(x, "A", "D")
#> [1] "A" "B" "C" "D"
slice_char(x, "D", "A")
#> [1] "D" "C" "B" "A"

x <- c("A", "B", "C", "C", "A", "D", "D", "E", "A")
slice_char(x, "B", "E")
#> [1] "B" "C" "C" "A" "D" "D" "E"
# duplicated element as boundary will throw an error
# slice_char(x, 'A', 'E')
# unique=TRUE to remove the duplicated boundary characters
slice_char(x, "A", "E", unique = TRUE)
#> [1] "A" "B" "C" "C" "D" "D" "E"