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module Lib
( someFunc
) where
import Text.Regex.TDFA
someFunc :: IO ()
someFunc
| rex == True = putStrLn "Match!!"
| otherwise = putStrLn "No match"
rex :: Bool
rex = "75ac7b18a009ffe7a77a17a61d95c01395f36b44" =~ "^[0-9a-f]{40}$"
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