No, at least not as how I understand it. The (?!{) is a negative-lookahead, meaning match any characters non-greedily as long as they do NOT contain a {, before the next }.

If I'm wrong, someone will inform me ;)

In reply to Re^3: Search for consecutive flush left curly braces by stevieb
in thread Search for consecutive flush left curly braces by ExReg

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