pusofalse

指定的字符串中会有特殊字符吗？

pusofalse

@echo Off & setlocal EnableDelayedExpansion
set "var=tEST" & set "str=!var!"

set "Lower=a b c d e f g h i j k l m n o p q r s t u v w x y z"
set "Upper=A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"
For %%a in (%Lower%) do set "var=!var:%%a=%%a!"
For /L %%a in (0 2 51) do (set "_!Lower:~%%a,1!=!Upper:~%%a,1!")

:Loop
If defined str (
    set "AlphaL=%str:~,1%" & set "AlphaU=%var:~,1%" & set "Letter=!AlphaU!
    If "!AlphaL!" equ "!AlphaU!" If defined _!AlphaL! (set "Letter=!_%str:~,1%!")
    set "str=%str:~1%" & set "var=%var:~1%"
    <nul set /p=!Letter!& goto :Loop
)
Echo\ & Pause>nul
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