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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))
strptime
TRUE
lubridate
assert_all_are_date_strings("01Aug1979", format = "%d%b%Y") #My DOB!
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