David Eppstein wrote: >> shouldn't a simple parenthesis counter suffice? you have to count >> parens in many cases anyway (e.g. to find function bodies). > > I think it would suffice (with some care to ignore parens in comments > and strings, and assuming there aren't any mismatches), but counting is > not something you can do in a regexp. no, but adding a single integer register to the scanning loop isn't that much work. </F>
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