Wireshark-dev: Re: [Wireshark-dev] Is "tcp.len < -1" a valid display filter?
From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Fri, 28 Oct 2011 16:52:04 -0700
On Oct 28, 2011, at 10:45 AM, Stig Bjørlykke wrote:

> The checks will introduce more conversions from string to integer, but
> that may not be an issue?

Unless somebody has a Wireshark extension or script running TShark or something of that sort that attempts to compile millions of filters per second, it's probably not a performance issue. :-)