Under budget

Match a line that is entirely letters followed by an @ and more letters. It has to be right, and it has to stay inside the step budget on every input below — including the one that does not match.

Corpus

Steps0/ 690 · par 345

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
	(empty)	3

Trace

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

Cmd-Enter submits too.