System.Character.TCharacter.IsNumber

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Delphi

class function IsNumber(C: Char): Boolean; overload; inline; static;
class function IsNumber(C: UCS4Char): Boolean; overload; inline; static;
class function IsNumber(const S: string; Index: Integer): Boolean; overload; inline; static;

C++

static bool __fastcall IsNumber(System::WideChar C)/* overload */;
static bool __fastcall IsNumber(System::UCS4Char C)/* overload */;
static bool __fastcall IsNumber(const System::UnicodeString S, int Index)/* overload */;

Properties

Type Visibility Source Unit Parent
function public
System.Character.pas
System.Character.hpp
System.Character TCharacter

Description

Determines whether a UTF-16 character is defined as a number in the Unicode specifications.

Returns true if the UTF-16 character is defined as a number in the Unicode specifications.

See Also

Code Examples