regexp: reduce allocs in regexp.Match for onepass regex · golang/go@8a16d7d
There were no allocations in regexp.Match for *non* onepass regex because m.matchcap length is reset to zero (ncap=0 for regexp.Match). But, as for onepass regex, m.matchcap length remains as it is even when ncap=0 and it leads needless allocations. benchmark old ns/op new ns/op delta BenchmarkMatch_onepass_regex/32-4 6465 4628 -28.41% BenchmarkMatch_onepass_regex/1K-4 208324 151558 -27.25% Benchm
re2 - Project Hosting on Google Code
This is the source code repository for RE2, a regular expression library. For documentation about how to install and use RE2, visit https://github.com/google/re2/. The short version is: make make test make install make testinstall Building RE2 requires Abseil (https://github.com/abseil/abseil-cpp) to be installed on your system. Building the testing for RE2 requires GoogleTest (https://github.com/
Fast request routing using regular expressions
18. February 2014 Some time ago I stumbled on the Pux routing library, which claims to implement a request router that is many orders of magnitude faster than the existing solutions. In order to accomplish this, the library makes use of a PHP extension written in C. However, after a cursory look at the code I had the strong suspicion that the library was optimizing the wrong parts of the routing p
GitHub - benma/visual-regexp.el: A regexp/replace command for Emacs with interactive visual feedback
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