Batch check whether the ip format is correct

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@ echo off:: check whether the IP format is standard:: code by jm 2006-10-23: begin cls set input= set / p input= Please enter IP: echo% input% | findstr "^ [0-9] *\. [0-9] *\. [0-9] * $" > nul | | goto fail set _ input=%input:.=% call: check% input%: check if "% 4" = "goto fail for% I in (% 1% 2)" 3% 4) do (if% I gtr 255goto fail) cls echo% input% is the correct IP echo. Pause goto begin: fail cls echo% input% is the wrong IP echo. Pause goto begin thank you for reading, the above is the content of "batch testing ip format is correct", after the study of this article, I believe you have a deeper understanding of the problem of batch testing ip format is correct, the specific use of the situation also needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!