isUpper package:text-latin1

isUpper :: Char -> Bool
text-latin1 Text.Ascii
Test if a character is an ASCII upper-case letter.
isUpper :: Char -> Bool
text-latin1 Text.Latin1
Test if a character is a Latin-1 upper-case letter.
isUpper8 :: Word8 -> Bool
text-latin1 Text.Ascii
Test if a byte is the encoding of an ASCII upper-case letter.
isUpper8 :: Word8 -> Bool
text-latin1 Text.Latin1
Test if a byte is the encoding of a Latin-1 upper-case letter.