Bulk change of attributes in a macro

Greetings! I have a problem, after updating the Sheet, I had to correct the name of the attributes on the character sheet... And now I need to change almost 300+ NPCs, or rather attributes in their macros. Is there any way to massively change the attributes @{STR} => @{CURSTR} in all macros in the game, otherwise it's too long by hand

Probably nothing you can do about it now, at least not without a custom API script.  With that said, you can avoid this in the future if you use a Macro Mule to store all your macros on. Then call them as needed.  Example of use:  Macro Mule holds all the Macros In the Collections Tab you put macros that call the macros off the Mule.  The macros in the mule all use "selected" so that the macro knows which character sheet to pull the data from.  So, when you have a change to the macro, you only have to change it once, on the Mule.