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Asked: 2026-06-15T22:55:07+00:00

I am writing a program to read in data from an excel sheet which

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I am writing a program to read in data from an excel sheet which contains a bunch of info about computers which will be entered by the user. This excel file will then be converted to a different format for other uses. I can read all the values no problem but I just need help validating MAC and IP addresses entered by the user to make sure the information is correct. Some regular expressions for this would be great as I am sure I would use them again at some stage.

Thanks.

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1 Answer

  1. Editorial Team
     "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." +
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." +
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." +
    "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$"
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