Generates a list of all characters not contained in a string
CHARNOLIST( [<cString>] ) -> cCharacterList
[<cString>] is the string for whom the function generates a list of all characters not contained in that string Default: “” (empty string)
<cCharacterList> a list of the characters that are not contained in <cString>
The CHARNOLIST() function generates a list of those characters that are not contained in <cString>. This list can contain each character only once, so that its maximum length is 256. The list is alphabetically sorted.
? charnolist( charnolist( "Hello World !" ) ) // --> " !HWdelor"
charnolist( charnolist( "Hello World !" ) ) == charslist( "Hello World !" ) charnolist( charnolist( NIL ) ) == ""
CHARNOLIST() is compatible with CT3’s CHARNOLIST().
Source is charlist.c, library is libct.
CHARLIST(), CHARSLIST(), CHARHIST()