System.Character.TCharHelper.IsSurrogatePair

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Delphi

class function IsSurrogatePair(const HighSurrogate, LowSurrogate: Char): Boolean; overload; inline; static;
class function IsSurrogatePair(const S: string; Index: Integer): Boolean; overload; static;

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.Character.pas	System.Character	TCharHelper

Description

Determines whether characters are a valid surrogate pair in the Unicode specifications.

This function is overloaded:

• Returns True if HighSurrogate and LowSurrogate compose a valid surrogate pair in the Unicode specifications.
• Returns True if the UTF-16 character at Index of string S is a surrogate pair in the Unicode specifications.

See Also

• System.SysUtils.TEncoding

• System.Character.TCharHelper.IsSurrogate

• System.Character.IsSurrogatePair