reg_matches: 'regmatches()' with 'NA'

In sdtm.oak: SDTM Data Transformation Engine

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.

sdtm.oak documentation built on June 9, 2025, 5:10 p.m.