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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
(require srfi/13)
(string-prefix? "ab" "abcd")
(string-suffix? "cd" "abcd")
(string-contains "abab" "bb")
(string-contains "abab" "ba")