The regex below is being recognized as invalid by CTRE: ```regex | ``` [Regex101 link](https://regex101.com/r/inQTPf/1) ```C++ #include <ctre.hpp> int main(){ ctre::match<"|">; // Below works //ctre::match<"(|)">; } ``` [Compiler explorer link](https://godbolt.org/z/evnshc6h4)