The ssh service runs on port 22, so :22 is both, a valid number of seconds and a valid port number.

Your second approach would work, but it would miss port :443 for https.

Maybe you can be more specific for the situations where a port number is to be expected.

In reply to Re: Exact Regex for port Number by Corion
in thread Exact Regex for port Number by theravadamonk

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