Reference for package '#rtl'

TStringHelper.IsNullOrWhiteSpace

Check if a string is empty or contains only whitespace characters.

Declaration

Source position: syshelph.inc line 84

public 
  class function IsNullOrWhiteSpace(const AValue: string) : Boolean
                                   ;  Static;

IsNullOrEmpty returns True if string A has length 0 or contains only whitespace characters (characters with ASCII code 32 or less).

Name	Description
Trim	Trim whitespace from the ends of a string.
TStringHelper.IsNullOrEmpty	Check if a string is empty