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批處理命令字串替換

給字串aa賦值

C:\Users\Administrator.ZHANGHAO-PC>set aa='my ver is 3.2.0'

列印字串aa

C:\Users\Administrator.ZHANGHAO-PC>echo %aa%
'my ver is 3.2.0'

替換字串aa中的3.2.0為3.0.7

C:\Users\Administrator.ZHANGHAO-PC>set aa=%aa:3.2.0=3.0.7%

C:\Users\Administrator.ZHANGHAO-PC>echo %aa%
'my ver is 3.0.7'