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Editorial Team
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Asked: 2026-06-08T18:12:09+00:00

I am using this code to extract the IP Address from a string: preg_match(

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I am using this code to extract the IP Address from a string:

preg_match( '/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/', '192.168.1.1', $right)
echo $right;

Now if I want to extract a subnet mask from a string (like this one for example, 192.168.1.1/12) how can I do that with pregmatch?

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1 Answer

  1. Editorial Team

    try this:

    preg_match( '/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,3})/', '192.168.1.1/12', $right);
var_dump($right[2]);
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