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System.Character.TCharHelper.IsDigit

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Delphi

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

Properties

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

Description

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

This method is overloaded:

  • Returns True if the UTF-16 character is defined as a digit in the Unicode specifications.
  • Returns True if the character at Index in string S is defined as a digit in the Unicode specifications.
  • Returns True if the UCS4Char is defined as a digit in the Unicode specifications.

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