It depends on if regex performance is a bottleneck in your app. I typically use the standard regexp package unless I noticed its a problem (which isn't often),

It depends on if regex performance is a bottleneck in your app. I typically use the standard regexp package unless I noticed its a problem (which isn't often), then I switch to a package with the same API that uses PCRE [1]. 1: https://github.com/glenn-brown/golang-pkg-pcre https://github.com/glenn-brown/golang-pkg-pcre