> The RE engine does have the power to solve this problem.

Hrm.. please demonstrate. I know you can build a lexer by looping over m/\G$regexp/g, but that doesn't give you the state storage neccessary to balance parens. If you could whip up something to convert the second-level parens in: 

    (((())()))(()(()()))

[download]

to square brackets: 

    ([(())()])([][()()])

[download]

using only regexps.. no variables, no recursion (and for arbitrary strings of nested parens, of course).. I'd love to add the technique to my bag of tricks.

In reply to Re: Re (tilly) 3: parsing question by mstone
in thread Re: parsing question by sliles

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