System.Character.TCharHelper.IsHighSurrogate

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Delphi

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

Properties

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

Description

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

This method is overloaded:

• Returns True if the character is defined as a high surrogate in the Unicode specifications.
• Returns True if the character at Index in string S is defined as a high surrogate in the Unicode specifications.
• Returns True if the UCS4Char is defined as a high surrogate in the Unicode specifications.

See Also

• System.SysUtils.TEncoding

• System.Character.TCharHelper.IsLowSurrogate

• System.Character.IsHighSurrogate