Wireshark-bugs: [Wireshark-bugs] [Bug 5819] Not possible to use "@" character in coloring rules.
Date: Tue, 12 Apr 2011 05:44:35 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5819

--- Comment #1 from Sake <sake@xxxxxxxxxx> 2011-04-12 05:44:34 PDT ---
Did your colorfilter work as expected too? Could you please check, cause I'm
afraid it would not have worked correctly.

The @ is used s a separator between the fields in the colorfilters file:

# DO NOT EDIT THIS FILE!  It was created by Wireshark
@TCP SYN@xxxxxxxxxxxxx==1@[65535,65535,65535][0,65535,0]

That's why it's not allowed as a character in the display filter.

To be able to handle the @ in a filter, there should be code to escape it.

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