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dvanhorn/3.rkt Secret

Created August 27, 2011 03:08
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3.rkt
#lang racket
(define str
;; put the large string from src code here.
#<<HERE
...
HERE
)
(apply string
(map (λ (s) (string-ref s 4))
(regexp-match* #rx"[^A-Z][A-Z][A-Z][A-Z][a-z][A-Z][A-Z][A-Z][^A-Z]"
str)))
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