Ada Programming/Libraries/Ada.Wide Characters.Handling

is a unit of the Predefined Language Environment since Ada 2012.

Specification
PureHandling Character_Set_Version String Is_Control Item Wide_Character  Boolean Is_Letter Item Wide_Character  Boolean Is_Lower Item Wide_Character  Boolean Is_Upper Item Wide_Character  Boolean Is_Digit Item Wide_Character  Boolean Is_Decimal_Digit Item Wide_Character  Boolean Is_Digit Is_Hexadecimal_Digit Item Wide_Character  Boolean Is_Alphanumeric Item Wide_Character  Boolean Is_Special Item Wide_Character  Boolean Is_Line_Terminator Item Wide_Character  Boolean Is_Mark Item Wide_Character  Boolean Is_Other_Format Item Wide_Character  Boolean Is_Punctuation_Connector Item Wide_Character  Boolean Is_Space Item Wide_Character  Boolean Is_Graphic Item Wide_Character  Boolean To_Lower Item Wide_Character  Wide_Character To_Upper Item Wide_Character  Wide_Character To_Lower Item Wide_String  Wide_String To_Upper Item Wide_String  Wide_String AdaWide_CharactersHandling

Wikibook

 * Ada Programming/Libraries/Ada
 * Ada Programming/Libraries/Ada.Wide_Characters