OT: look-behind assertions

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Felipe Gasper

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Aug 30, 2011, 10:54:18 PM8/30/11

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Forgive the OT post, but does anyone know why no JS engine has yet
implemented look-behind assertions in regular expressions?

-FG

tjholowaychuk

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Aug 30, 2011, 11:46:28 PM8/30/11

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you can kinda fake it with the callback

Diogo Resende

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Aug 31, 2011, 5:27:02 AM8/31/11

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You're talking about negative look-behind/ahead right? I don't use
positive
ones, they are easy to emulate without look-*. I actually asked myself
that
a while ago.. :P