is_iso_date: Check if an argument is an ISO 8601 date string
In checkstring: Common String Format Validation
is_iso_date R Documentation
Check if an argument is an ISO 8601 date string
Description
Validates the YYYY-MM-DD format with calendar correctness, including leap year handling.
Usage
is_iso_date(x)
Arguments
x
(any)
Object to check.
Value
TRUE if x is a valid ISO 8601 date string, FALSE otherwise.
References
https://en.wikipedia.org/wiki/ISO_8601
Examples
is_iso_date("2024-01-15")
is_iso_date("2024-02-30")
checkstring documentation built on Sept. 28, 2026, 5:07 p.m.
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| is_iso_date | R Documentation |
Check if an argument is an ISO 8601 date string
Description
Validates the YYYY-MM-DD format with calendar correctness, including leap year handling.
Usage
is_iso_date(x)
Arguments
x |
( |
Value
TRUE if x is a valid ISO 8601 date string, FALSE otherwise.
References
https://en.wikipedia.org/wiki/ISO_8601
Examples
is_iso_date("2024-01-15")
is_iso_date("2024-02-30")
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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