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Also update .lastIndex on natively sticky regexps #161

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@pygy pygy commented Feb 16, 2017

As mentioned in #154 (comment) regexps that have both the global and sticky flag ignore the former and do sticky matches. So there's nothing special to add to their handling AFAICT.

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pygy commented Feb 16, 2017

Wait, there's more... I haven't updated fixed.exec (and I wonder how the tests actually pass).

Looking deeper into this, I should also probably revise XRegexp.match and possibly other methods. It's late though, and I'm starting to get hazy. I'll ping you when it is ready.

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Hey, no rush! And thanks. :D

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In case it's helpful, http://2ality.com/2015/07/regexp-es6.html describes the rules for lastIndex with /y in detail.

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