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Reference for unit 'sysutils' (#rtl)

TStringHelper.IsNullOrEmpty

Check if a string is empty

Declaration

Source position: syshelph.inc line 83

public class function TStringHelper.IsNullOrEmpty(

const AValue: string

):Boolean;

IsNullOrEmpty returns True if string A has length 0.

System.Length		Returns length of a string or array.
TStringHelper.IsNullOrWhiteSpace		Check if a string is empty or contains only whitespace characters.