Returns the Left Or the Right Part Of a String

Returns the left part or the right part of a string. The number of characters are defined by the argument n. If n is negative, this number of characters will be cut off from the other side.

Usage

strLeft(x, n)

strRight(x, n)

Arguments

x

a vector of strings

n

a positive or a negative integer, the number of characters to cut. If n is negative, this number of characters will be cut off from the right with strLeft and from the left with strRight.
n will be recycled.

Value

the left (right) n characters of x

Details

The functions strLeft and strRight are simple wrappers to substr.

See also

string-overview for an overview of all string utilities in pharos.

Examples

strLeft("Hello world!", n=5)
#> [1] "Hello"
strLeft("Hello world!", n=-5)
#> [1] "Hello w"

strRight("Hello world!", n=6)
#> [1] "world!"
strRight("Hello world!", n=-6)
#> [1] "world!"

strLeft(c("Lorem", "ipsum", "dolor","sit","amet"), n=2)
#> [1] "Lo" "ip" "do" "si" "am"

strRight(c("Lorem", "ipsum", "dolor","sit","amet"), n=c(2,3))
#> [1] "em"  "sum" "or"  "sit" "et"