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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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#lang racket
(define (pangram? str)
(define chars (regexp-replace* #rx"[^a-z]+" (string-downcase str) ""))
(= 26 (length (remove-duplicates (string->list chars)))))
(pangram? "The quick Brown Fox jumps over the Lazy Dog")