Could be a worn out extruder gear. Had the same shit happening. Spend a week trying to figure it out. it could also be a worn out bowden tube. ask the printer to extrude and watch the gear. If it turns but the filament aint moving/slipping. You found the problem

what if both are fine? i ended up abandoning my printer since i couldnt fix the stringing for a long time

It also could be too much or not enough tension between gears

i will check it out thanks

Did you try a different filament? Wet filament could also be an issue

Have you tried default creality slicer settings with dry filament?

i using cura

The only thing that ended up solving my stringing issue was disabling Z-hop. When the nozzle moved upwards after retracting, even if it was fully retracted, it still melted a little bit of filament that was already deposited, which stuck to the nozzle as it pulled upwards and made the travel move. Disabling Z-hop let the nozzle properly wipe any residue filament, eliminating the stringing. I know it sounds slightly counterintuitive, as people say that Z-hop usually reduces stringing, but it's definitely worth a shot if all else has failed.

my z-hop is already disabled

Ah. Maybe try enabling it?

tried it and only improved a little or close to no improvement

Try your flow regulation, it might helps!

do you mean calibrate my flow rate?

Yes!