小编Bob*_*Bob的帖子

我想从字符串的末尾提取字符.

    SETLOCAL EnableDelayedExpansion

    SET str=123456789abcdefgh

    FOR /l %%x IN (1, 1, 10) DO (
       ECHO %%x
       SET result=%%str%:~-%%x%
       ECHO "Extracted characters: " !result!
    )

    ENDLOCAL

这是我错误的输出:

1
"提取的字符:"%str:〜-1

2
"提取的字符:"%str:〜-2