[PATCH] D123776: [Support] Optimize (.*) regex matches

[Jun Zhang via Phabricator via llvm-commits]

junaire added a comment.

In D123776#3452587 <https://reviews.llvm.org/D123776#3452587>, @tstellar wrote:

> Is there some reason we can't use the c++11 regex library for this?

I heard about some rumors that std::regex is really bad, both slow to build and run, is it true? Can we use some well-maintained 3rd party library like CTRE or re2?


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