unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
//TStringBuilder.Replace 替換字符串
procedure TForm1.Button1Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
sb.Append('從 Delphi 2007 到 Delphi 2009');
sb.Replace('Delphi', 'CBuilder');
ShowMessage(sb.ToString); {從 CBuilder 2007 到 CBuilder 2009}
sb.Free;
end;
//TStringBuilder.Replace 替換字符
procedure TForm1.Button2Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
sb.Append('從 Delphi 2007 到 Delphi 2009');
sb.Replace('0', '9');
ShowMessage(sb.ToString); {從 Delphi 2997 到 Delphi 2999}
sb.Free;
end;
//TStringBuilder.Replace 在指定范圍內替換字符
procedure TForm1.Button3Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
sb.Append('ABABABABABAB');
sb.Replace('A', '-', 4, 5);
ShowMessage(sb.ToString); {ABAB-B-B-BAB}
sb.Free;
end;
//TStringBuilder.Replace 在指定范圍內替換字符串
procedure TForm1.Button4Click(Sender: TObject);
var
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
sb.Append('ABC123ABC123ABC123');
sb.Replace('ABC', '-', 3, 12);
ShowMessage(sb.ToString); {ABC123-123-123}
sb.Free;
end;
end.