What does this mean in chatting?!

Question: What does this mean in chatting!?

what does a bunch of commas mean in chatting!?
this is what my friend responded:
nopezzz y,,,,Www@Enter-QA@Com

Answers:

they ment !.!.!.!.!.!.!.Www@Enter-QA@Com

i dont know!.!.!.Www@Enter-QA@Com

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