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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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10
Task/Determine-if-a-string-is-numeric/Haskell/determine-if-a-string-is-numeric-1.hs Normal file
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isInteger s = case reads s :: [(Integer, String)] of
[(_, "")] -> True
_ -> False
isDouble s = case reads s :: [(Double, String)] of
[(_, "")] -> True
_ -> False
isNumeric :: String -> Bool
isNumeric s = isInteger s || isDouble s

4
Task/Determine-if-a-string-is-numeric/Haskell/determine-if-a-string-is-numeric-2.hs Normal file
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areDigits = all isDigit
isDigit selects ASCII digits i.e. '0'..'9'
isOctDigit selects '0'..'7'
isHexDigit selects '0'..'9','A'..'F','a'..'f'