[Georgio]

Код:

@echo off& setlocal enableextensions

set /a i1=2,i2=3
set "mask=_i.*"

for /l %%i in (%i1% 1 %i2%) do (
 for /f "delims=" %%j in ('
  cmd /v:on /c dir /a-d/b "*!mask:i=%%i!"^| findstr /rc:"%mask:i.=[0-9][0-9]*\.[^\.][^\.]%$"
 ') do del "%%j"
 )
 

endlocal& exit /b