Rename files with dot in name using batch script windows

See more:

scripting

batch

Win10

i want to rename single file specific extension "*msi" to replace current version with
another version


for example file name is "test_1.2.6.msi"

want to be renamed using variable i specified


if i entered 2.3.9 as new version file should be renamed to "test_2.3.9.msi"

here is my code i need lettle help

@Echo off
setlocal enabledelayedexpansion
set /p new="New Version: "

for /R %%u in (*.msi) do (
  set "Name=%%~nxu"
  ECHO ren "%%~u" "!Name:_=_%new%!"
)
pause

What I have tried:

i tried to replace underscrore and numbers with current version but not worked for me