Rust's regex crate has fuzzing running against it, and that has lead to a lot of useful small fixes: https://github.com/rust-lang/regex/pull/262 https://github.

Rust's regex crate has fuzzing running against it, and that has lead to a lot of useful small fixes: https://github.com/rust-lang/regex/pull/262 https://github.com/rust-lang/regex/pull/262