Match punctuation characters.

Matches punctuation characters only: ! \" # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~.

rx_punctuation(.data = NULL, inverse = FALSE)

Arguments

.data	Expression to append, typically pulled from the pipe %>%
inverse	Invert match behavior, defaults to FALSE (match punctuation). Use TRUE to not match punctuation.

Examples

rx_punctuation()
#> [1] "[[:punct:]]"
rx_punctuation(inverse = TRUE)
#> [1] "[^[:punct:]]"

# create an expression
x <- rx_punctuation()

# create input
string <- 'Apple 1!'

# extract match
regmatches(string, gregexpr(x, string))
#> [[1]]
#> [1] "!"
#> 

# dont extract punctuation
y <- rx_punctuation(inverse = TRUE)
regmatches(string, gregexpr(y, string))
#> [[1]]
#> [1] "A" "p" "p" "l" "e" " " "1"
#>