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delphi 从网址链接中提取域名
function GetHost(TheURL: string): String;
var
FURL: String;
begin
FURL := TheURL + '555';
if pos(UpperCase('http://'), UpperCase(FURL)) > 0 then
begin
Delete(FURL, 1, Length('http://'));
end;
Result := Copy(FURL, 1, pos('/', FURL) - 1);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
showmessage(GetHost('http://www.3464.com/tools/'));
end;