Match a tab character.

Source: R/special_characters.R

Match a tab character.

rx_tab(.data = NULL, inverse = FALSE)

Arguments

.data

Expression to append, typically pulled from the pipe %>%

inverse

Invert match behavior, defaults to FALSE (match tabs). Use TRUE to not match tabs.

Details

This function is looks for tabs with the following expression: \t

  1. Tab character: https://codepoints.net/U+0009

Examples

rx_tab()
#> [1] "\\t"
rx_tab(inverse = TRUE)
#> [1] "[^\\t]"

# create an expression
x <- rx_tab()

# create input
string <- "foo\tbar"

# extract match
regmatches(string, regexpr(x, string))
#> [1] "\t"