Split the date

Match a date written as four digits, a hyphen, two digits, a hyphen, two digits — the whole string and nothing more — and capture the year, the month and the day, in that order, as three separate groups.

Corpus

Steps0/ 264 · par 88

Every input, what the pattern matched in it, and what each group captured
Input	Match	Steps
	(empty)	3
	(empty)	3
	(empty)	3
	(empty)	3
	(empty)	3
	(empty)	3

Trace

Select an input to step through what your pattern did to it.

Cmd-Enter submits too.