chencg

@echo off

setlocal enabledelayedexpansion

for /f "tokens=*" %%i in (a.txt) do (
        set y=false
        for %%j in (%%i) do (
                set t=%%j
                if "!y!" equ "false" if "!t:~7,1!" neq "" if "!t:~8,1!"=="" set y=true&echo %%j
        )
       
)

pause

chencg

@echo off

setlocal enabledelayedexpansion

for /f "tokens=*" %%i in (a.txt) do (
	set y=false
	for %%j in (%%i) do (
		set t=%%j
		if "!y!" equ "false" if "!t:~7,1!" neq "" if "!t:~8,1!"=="" set y=true&echo %%j
	)
	
)
 
pause
复制代码