Trying to show the 'tab' character in a text variable

Hi,
I have a variable from a SQL DataBase, with special characters, like 'return' or 'tab'. But I can not display they ok.
I look for de char(10), delete it and put '\'

It works with 'return' character. But I don't know what to do with the tab character.

I look for de char(9), delete it, but I don't know the sustitute to show it correctly.

This is part of my code:

//Return character
LF := 10;
intPos := STRPOS(txtmensaje,FORMAT(LF));

WHILE intPos > 0
DO BEGIN
txtmensaje := DELSTR(txtmensaje,intPos,1);
txtmensaje := INSSTR(txtmensaje,'\',intPos);
intPos := STRPOS(txtmensaje,FORMAT(LF));
END;

//Tab character
HT := 9;
intPos := STRPOS(txtmensaje,FORMAT(HT));

WHILE intPos > 0
DO BEGIN
txtmensaje := DELSTR(txtmensaje,intPos,1);
txtmensaje := INSSTR(txtmensaje,' ? ',intPos);
intPos := STRPOS(txtmensaje,FORMAT(HT));
END;

Thank you.