Hey guys,

I was wondering if someone could help me out.
I'm trying to validate a string with a regex but can't get it working.
I need to validate a string containing hex pairs divided by a comma,
like this

11,1,aa,a,1b,3b,55,b6

I got this regex:

/\A([0-9a-fA-F]{1,2},{1})*([0-9a-fA-F]{1,2}){1}\Z/

 but it only validates the last two pairs, 55, and b6

It should't validate strings like this:

111 or strings like aaa,aaa,bob,ccc

Can anybody help me out with some pointers?
I'm new to using regex expressions.

Thanks a lot!

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