Userscripts.org

you could use a mode toggle ie "g" or "ig", "gi" does not works !

I added also a toggle key ([ctrl]+[shift]+I ) to call a toggle function :

var mode = "g" ;
function regToggle(){
var oldmode = mode;
if ( mode == "g" ){
mode = "ig" ;
}else{
mode = "g" ;
}
alert("Mode is ("+oldmode+" => "+mode+") !");
}

and replace your lines :

var regex = new RegExp("(" + s + ")", "g");
--by--
var regex = new RegExp("(" + s + ")", mode);

and

reg = new RegExp("(^|<[^>]+>)([^<]*" + s + "[^<]*)($|<[^>]+>)", "g");
--by--
reg = new RegExp("(^|<[^>]+>)([^<]*" + s + "[^<]*)($|<[^>]+>)", mode);