cli (version 3.6.3)

utf8_substr: Substring of an UTF-8 string

Description

This function uses grapheme clusters instead of Unicode code points in UTF-8 strings.

Usage

utf8_substr(x, start, stop)

Value

Character vector of the same length as x, containing the requested substrings.

Arguments

x

Character vector.

start

Starting index or indices, recycled to match the length of x.

stop

Ending index or indices, recycled to match the length of x.

See Also

Other UTF-8 string manipulation: utf8_graphemes(), utf8_nchar()

Examples

# Five grapheme clusters, select the middle three
str <- paste0(
  "\U0001f477\U0001f3ff\u200d\u2640\ufe0f",
  "\U0001f477\U0001f3ff",
  "\U0001f477\u200d\u2640\ufe0f",
  "\U0001f477\U0001f3fb",
  "\U0001f477\U0001f3ff")
cat(str)
str24 <- utf8_substr(str, 2, 4)
cat(str24)