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Somewhat belated reply ;-)

Even if you don't use the call stack, I think that the regex engine is probably the wrong choice - it's just not made to be used that way easily (as you've found out :-)

Implementing backtracking isn't really that hard. All you really need is a stack. I'd start there if it was me.


In reply to Re^3: Being Forced to Fork with Nested Regular Expressions by adrianh
in thread Being Forced to Fork with Nested Regular Expressions by Ovid

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