isDigit -package:sbv

isDigit :: Char -> Bool
base Data.Char GHC.Unicode, protolude Protolude, rio RIO.Char, base-prelude BasePrelude, Cabal-syntax Distribution.Compat.Prelude, ghc-internal GHC.Internal.Unicode, rebase Rebase.Prelude, unicode-data Unicode.Char.Numeric, cabal-install-solver Distribution.Solver.Compat.Prelude
Selects ASCII digits, i.e. '0'..'9'.
isDigit :: Char -> Bool
attoparsec Data.Attoparsec.ByteString.Char8
A fast digit predicate.
isDigit :: Char -> Bool
word8 Data.Char8
isDigit :: Word8 -> Bool
word8 Data.Word8
isDigit :: Char -> Bool
flatparse FlatParse.Basic FlatParse.Common.Assorted FlatParse.Stateful
isDigit c = '0' <= c && c <= '9'
isDigit :: Word8 -> Bool
mysql-haskell Data.Binary.Parser.Word8
Decimal digit predicate.
isDigit_w8 :: Word8 -> Bool
attoparsec Data.Attoparsec.ByteString.Char8
A fast digit predicate.
isDigitIn :: PositionalSystem s => s -> Char -> Bool
data-textual Data.Textual.Fractional Data.Textual.Integral, text-printer Text.Printer.Fractional Text.Printer.Integral
Test if a character is a digit.
isDigital :: Event a -> Bool
tidal Sound.Tidal.Boot, tidal-core Sound.Tidal.Pattern
unicharIsdigit :: (HasCallStack, MonadIO m) => Char -> m Bool
gi-glib GI.GLib.Functions
Determines whether a character is numeric (i.e. a digit). This covers ASCII 0-9 and also digits in other languages/scripts. Given some UTF-8 text, obtain a character value with utf8GetChar.
PrimIsDigit :: PrimitiveId
Agda Agda.Compiler.Backend Agda.Syntax.Builtin