Layer-front prefix

3D Design Volume Model
1

Hello

I received a plan with a lot of layers and I would like to put the same prefix in front of each layer without making them one by one,

How to do it

Thank you in advance for your answers 

2

I don't see any other method than with a macro.

3

Google :)

http://cadxp.com/topic/33103-renommer-les-calques-en-masse-resolu/