no.
all I'm saying is that having it at position before first character is different from having no match at all.
but...
as I put my mind to rest I come more close to others opinion.
and the arguments I said about string having something inside and kix can make it's ways.
so, I think I'll give up. when matching against zero length string it should return 0 as no match.
matching viewable characters not possible other parts string may contain.
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