Well in the end you have to benchmark but `strscans` doesn't do anything that would be "obviously slow". It should be just fine.
nre is a controversial library and was scheduled for deprecation, but it hasn't happened yet and we're in "freeze-mode" for 0.20. Hmmm. There is also [https://github.com/nitely/nim-regex](https://github.com/nitely/nim-regex) which is a pure Nim implementation without the PCRE dependency.
