Updates:
        Status: Duplicate
        Mergedinto: 430

Comment #2 on issue 2886 by [email protected]: Handling specific regular expression
http://code.google.com/p/v8/issues/detail?id=2886

Writing efficient regexp is part of programming. Using nested + and * can and will cause expensive backtracking.

And yes, the regexp engine could be made to recognize patterns to simplify badly written regexp, but then again we could also ask GCC to recognize bubblesort and replace it with quicksort.

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