fmt_rg: Regexps for date/time components

In sdtm.oak: SDTM Data Transformation Engine

Regexps for date/time components

Description

fmt_rg() creates a character vector of named patterns to match individual date/time components.

Usage

fmt_rg(
  sec = "(\\b\\d|\\d{2})(\\.\\d*)?",
  min = "(\\b\\d|\\d{2})",
  hour = "\\d?\\d",
  mday = "\\b\\d|\\d{2}",
  mon = stringr::str_glue("\\d\\d|{months_abb_regex()}"),
  year = "(\\d{2})?\\d{2}",
  na = NULL,
  sec_na = na,
  min_na = na,
  hour_na = na,
  mday_na = na,
  mon_na = na,
  year_na = na
)

Arguments

sec	Regexp for the second component.
min	Regexp for the minute component.
hour	Regexp for the hour component.
mday	Regexp for the month day component.
mon	Regexp for the month component.
year	Regexp for the year component.
na	Regexp of alternatives, useful to match special values coding for missingness.
sec_na	Same as na but specifically for the second component.
min_na	Same as na but specifically for the minute component.
hour_na	Same as na but specifically for the hour component.
mday_na	Same as na but specifically for the month day component.
mon_na	Same as na but specifically for the month component.
year_na	Same as na but specifically for the year component.

Value

A named character vector of named patterns (regexps) for matching each date/time component.

sdtm.oak documentation built on April 3, 2025, 9:37 p.m.