str_sub_replace {stringr}R Documentation

Replace substrings in a character vector. str_sub<- will recycle all arguments to be the same length as the longest argument.

Description

Replace substrings in a character vector. str_sub<- will recycle all arguments to be the same length as the longest argument.

Usage

  str_sub(string, start = 1L, end = -1L) <- value

Arguments

string

input character vector.

start

integer vector giving position of first charater in substring, defaults to first character. If negative, counts backwards from last character.

end

integer vector giving position of last character in substring, defaults to last character. If negative, counts backwards from last character.

value

replacement string

Value

character vector of substring from start to end (inclusive). Will be length of longest input argument.

Examples

x <- "BBCDEF"
str_sub(x, 1, 1) <- "A"; x
str_sub(x, -1, -1) <- "K"; x
str_sub(x, -2, -2) <- "GHIJ"; x
str_sub(x, 2, -2) <- ""; x

[Package stringr version 0.6.2 Index]