reg_matches {sdtm.oak}R Documentation

regmatches() with NA

Description

reg_matches() is a thin wrapper around regmatches() that returns NA instead of character(0) when matching fails.

Usage

reg_matches(x, m, invert = FALSE)

Arguments

x

A character vector.

m

An object with match data.

invert

A logical scalar. If TRUE, extract or replace the non-matched substrings.

Value

A list of character vectors with the matched substrings, or NA if matching failed.


[Package sdtm.oak version 0.1.0 Index]