中国DOS联盟

486 1
-->
aaaa

487 2
-->
bbbb

@echo off
setlocal enabledelayedexpansion
set file=test.txt
for /f "usebackq delims=" %%a in ("%file%") do (
        set tmp=%%a
        echo !tmp: =!|findstr /i "^[0-9][0-9][0-9]"
)
endlocal
goto :EOF

@echo off & setlocal enabledelayedexpansion
set file=test.txt
for /f "usebackq delims=" %%a in ("%file%") do (
        set tmp=%%a
        echo !tmp:^>=!|findstr /i "^[0-9][0-9][0-9]">NUL && echo 数字||(
                echo !tmp^>=!|findstr /i "^[a-z][a-z][a-z]">NUL && echo 字母||(
                        echo 什么都不是
                )
        )
)
endlocal & goto :EOF

@echo off & setlocal enabledelayedexpansion
set file=test.txt
for /f "usebackq delims=" %%a in ("%file%") do (
        set tmp=%%a
        set tmp=!tmp:^>=^^^>!
        set tmp=!tmp:^|=^^^|!
        set tmp=!tmp:^<=^^^<!
        echo !tmp!|findstr /i "^[0-9][0-9][0-9]">NUL && echo 数字||(
                echo !tmp!|findstr /i "^[a-z][a-z][a-z]">NUL && echo 字母||(
                        echo 什么都不是
                )
        )
)
endlocal & goto :EOF