Lazarus Pascal

Remove a Range of Chars from a StringBuilder

Demonstrates how to remove a range of chars from the string contained in a StringBuilder object.

Note: This example demonstrates the RemoveCharsAt method which was added in Chilkat v9.5.0.87.

Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.StringBuilder;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  sb: TStringBuilder;

begin
  success := False;

  sb := TStringBuilder.Create;

  //  Load a file that contains this string:  0123456789ABCDEF
  success := sb.LoadFile('qa_data/txt/remove_chars.txt','utf-8');

  //  Remove "56789A" from the string.
  sb.RemoveCharsAt(5,6);

  WriteLn(sb.GetAsString());

  //  Output is: 01234BCDEF


  sb.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.