批处理-find、findstr

1、find

set tmp=TEST
echo %tmp%| find "TEST">nul

if %errorlevel% equ 0 (echo find) else (echo not find)

2、findstr 比find更强大，支持正则表达式

set tmp=TEST/log
echo %tmp%|findstr "log$">nul
if %errorlevel% equ 0 (echo find) else (echo not find)

参考：

http://www.tuicool.com/articles/3IbMRzJ

http://www.cnblogs.com/doit8791/archive/2012/05/21/2511080.html