// 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)(?<result>(?<data>^[\d|,]+)(?: in )(?<cat>.+?)(?<extra>\s+(?:\(.+?\)?)?))$").unwrap();
let string = "286,879 in Home & Kitchen (See Top 100 in Home & Kitchen)
339 in Cardboard Cutouts
2,945 in Jigsaws (Toys & Games)";
let substitution = "$3 = $2";
// 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/