// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r#"(?m)\s*(")?(.*?)\1\s*(?:,|$)"#).unwrap();
let string = "name,age,booktitle
John,,Hello World
Mary,3,\"\"Alas, What Can I do?\"\"
Joseph,5,\"Waiting, waiting, waiting\"
\"Donaldson Jones\" , six, \"Hello, friend!\"";
let substitution = "($2)\\n";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/