hfxiang

@echo off
setlocal enabledelayedexpansion
for %%a in (*.mp4) do (
    set Fn=%%~na
	set Fn1=!Fn:~0,-22!
	set Fn2=!Fn:~-19!
	echo;!Fn2!|findstr /ber "\<[0-9]*\>">nul&&move /y "%%a" "!Fn1!.mp4"
)
endlocal
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