isLower is:exact
Selects lower-case alphabetic Unicode characters (letters).
Note: this predicate does
not work for letter-like
characters such as:
'ⓐ' (
U+24D0 circled Latin small
letter a) and
'ⅳ' (
U+2173 small Roman numeral four).
This is due to selecting only characters with the
GeneralCategory LowercaseLetter.
See
isLowerCase for a more intuitive predicate.
Selects lower-case alphabetic Unicode characters (letters).
This function returns
True for 170 and 186 in Unicode 6. But it
returns
False in Unicode 7.
This function returns
True for 170 and 186 in Unicode 6. But it
returns
False in Unicode 7.
Selects lower-case alphabetic Unicode characters (letters).
It matches characters with general category
LowercaseLetter.
See:
isLowerCase for the
full lower case predicate.
isLower c == Data.Char.isLower c
Test if a character is an ASCII lower-case letter.
Test if a character is a Latin-1 lower-case letter.