Letters, in any script

Match a string made entirely of letters — real letters, from any writing system, not just the twenty-six in the English alphabet. A digit, a space or an underscore disqualifies it.

Corpus

Steps0/ 507 · par 169

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
	(empty)	3

Trace

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

Cmd-Enter submits too.