procedure TForm1.Button1Click(Sender: TObject);
procedure _HighLightText(AStr: string);
var
nPos, nStrLength, nAllLength: Integer;
begin
nPos := 0;
nAllLength := RichEdit2.GetTextLen;
nStrLength := Length(AStr);
nPos := RichEdit2.FindText(AStr, nPos, nAllLength, [stMatchCase]); //如果大小写不敏感就用[]
while nPos > -1 do //如果只想高亮第一个就不用循环
begin
RichEdit2.SelStart := nPos;
RichEdit2.SelLength := nStrLength;
RichEdit2.SelAttributes.Color := clRed;
nPos := nPos + nStrLength;
nPos := RichEdit2.FindText(AStr, nPos, nAllLength, [stMatchCase]);
end;
end;
var
nStr: string;
i: Integer;
begin
RichEdit2.SelectAll;
RichEdit2.SelAttributes := RichEdit2.DefAttributes;
with TStringList.Create do
try
StrictDelimiter := True;
Delimiter := ' '; //这里规定要高亮的内容用空格分隔
DelimitedText := RichEdit1.Text;
for i := 0 to Count - 1 do
begin
nStr := Strings[i].Trim;
if nStr <> '' then
_HighLightText(nStr);
end;
finally
Free;
end;
end;