Does exist a script to replace text in name or rename visible SubLayers, or, better, SubLayers of the selected Layer?

Hi!

"Batch Rename Visible Layers ILL.jsx" can rename several layers, number them. But no replacement, and most important, it doesn't treat sub layers :=(

Can you help me as I am not so good as you in scripting?

What I have :

What I want with 2 replacements : "Calque" -> "Cloche Arrière" and "CA D" -> "Cloche Arrière Droite" :

Thanks a lot for attention, ETn