Hi,Thank you ALL for your replies. in this case, I am a BIT lucky since I only have higher POTRS from 1024 to 65535 . So I can go with {4,5}

So, I go with below code. Thanks once again. Hv a wonderful day.

:[0-9]{4,5}

[download]

In reply to Re^2: Exact Regex for port Number by theravadamonk
in thread Exact Regex for port Number by theravadamonk

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