Regex filtering through environment variables for responses? #61
Description
I have extremely severe Tourette's Syndrome, and almost all of my triggers are extremely common, and cause me great physical pain through motor tics (taking the form of painful twitching). Unfortunately, some of my triggers are in the current database of responses for certain moods, so I can't exactly use the full extent of cargo-mommy's features, without editing responses.json. Thankfully, if cargo-mommy supported regexes (with hex escapes so that I don't have to type my triggers, since that would also trigger me) for filtering out certain responses via an environment variable, all I'd have to do is set an environment variable in my .bashrc or whatever, and cargo-mommy would be safe for me to use. Sadly, I don't have much experience with the Rust ecosystem, so I have no idea what crates would be best for this, or how to implement this effectively.