sf_substr {stringfish}

sf_substr

Description

Extracts substrings from a character vector

Usage

sf_substr(x, start, stop, nthreads = getOption("stringfish.nthreads", 1L))

Arguments

x

A character vector

start

The begining to extract from

stop

The end to extract from

nthreads

Number of threads to use

Details

This works the same way as 'substr', but in addition allows negative indexing. Negative indicies count backwards from the end of the string, with -1 being the last character.

Value

A stringfish vector of substrings

See Also

substr

Examples

if(getRversion() >= "3.5.0") {
x <- c("fa\xE7ile", "hello world")
Encoding(x) <- "latin1"
x <- sf_iconv(x, "latin1", "UTF-8")
sf_substr(x, 4, -1) # extracts from the 4th character to the last
## [1] "ile"  "lo world"
}