Regex pattern for Temporal.PlainTime ISO 8601 strings
(e.g. 13:45:30 or 13:45:30.123456789).
Validates hours (00–23), minutes (00–59), seconds (00–59), and up to 9 fractional digits.
Note: Unlike RFC 3339 "full-time", PlainTime has no timezone offset.
PlainTime carries no calendar, so unlike the date-bearing types this takes
no [u-ca=…] annotation.
Regex pattern for Temporal.PlainTime ISO 8601 strings (e.g.
13:45:30or13:45:30.123456789). Validates hours (00–23), minutes (00–59), seconds (00–59), and up to 9 fractional digits. Note: Unlike RFC 3339 "full-time", PlainTime has no timezone offset.PlainTimecarries no calendar, so unlike the date-bearing types this takes no[u-ca=…]annotation.