assertive (version 0.2-6)

assert_all_are_date_strings: Does the character vector contain dates?

Description

Checks that the input contains dates or times.

Usage

assert_all_are_date_strings(x, format = "%F %T")

assert_any_are_date_strings(x, format = "%F %T")

is_date_string(x, format = "%F %T", .xname = get_name_in_parent(x))

Arguments

x

Input to check.

format

Expected format of the dates. See strptime.

.xname

Not intended to be called directly.

Value

• A logical vector that is TRUE when the input contains valid dates or times.

See Also

strptime for specifying formats, and the lubridate package for automatic guessing of date formats (and other date manipulation functions).

Examples

x <- c("9999-12-31 23:59:59", "wednesday", NA)
is_date_string(x)
assert_all_are_date_strings("01Aug1979", format = "%d%b%Y") #My DOB!