System.Character.IsSurrogatePair
Delphi
function IsSurrogatePair(const HighSurrogate, LowSurrogate: Char): Boolean;
function IsSurrogatePair(const S: string; Index: Integer): Boolean;
C++
extern DELPHI_PACKAGE bool __fastcall IsSurrogatePair(const System::WideChar HighSurrogate, const System::WideChar LowSurrogate)/* overload */;
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
function | public | System.Character.pas System.Character.hpp |
System.Character | System.Character |
Description
Warning: IsSurrogatePair is deprecated. Please use TCharHelper.IsSurrogatePair.
Determines whether characters are a valid surrogate pair in the Unicode specifications.
This function is overloaded.
Returns true if HighSurrogate LowSurrogate compose a valid surrogate pair in the Unicode specifications.
Returns true if the UTF-16 character at index Index of string S is a surrogate pair in the Unicode specifications.
See Also