[Webkit-unassigned] [Bug 152578] RegExp with anchor negation and grouping performance

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152578

Pierre-Yves Gérardy <org.webkit at py.gy> changed:

           What    |Removed                     |Added
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                 CC|                            |org.webkit at py.gy

--- Comment #3 from Pierre-Yves Gérardy <org.webkit at py.gy> ---
There is still a slowdown when using groups, but it is now by a constant factor of ~4, rather than dependent on the subject length.

Surprisingly, the RegExp with two non-capturing groups is 10-20% faster than the one with only one.

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