rx_alnum: Match alphanumeric characters.
In RVerbalExpressions: Create Regular Expressions Easily

rx_alnum

R Documentation

Match alphanumeric characters.

Description

Matches both letters (case insensitive) and numbers (a through z and 0 through 9).

Usage

rx_alnum(.data = NULL, inverse = FALSE)

Arguments

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

Examples

rx_alnum()
rx_alnum(inverse = TRUE)

# create an expression
x <- rx_alnum()

# create input
string <- "Apple 1!"

# extract match
regmatches(string, gregexpr(x, string))

RVerbalExpressions documentation built on May 29, 2024, 6:47 a.m.