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Re^6: A regex that only matches at offset that are multiples of a given N? (Update:almost perfect!)by BrowserUk (Pope)
|on Feb 13, 2013 at 20:11 UTC||Need Help??|
that is effectively similar to simply ignoring non-aligned matched ... How so?
Although embedding the called-back code within the regex as a zero-length code assertion looks like its not exiting the regex engine; the effect on performance shows that the need to set-up and tear down a scope and invoke that code has a very significant effect:
If it was possible to avoid running 3 orders of magnitude slower, the benefits would be enormous for my application.
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