// 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)(\d*)( *)(x|\*)").unwrap();
let string = "500 g (4 x 125 g)
1,8 kg (20 * 90 g)
380 g (2 x 190 g)
1,6 kg (16 x 100 g)
1,6 kg (226x100 g)
8 x 100 g
2 l";
let substitution = "$0";
// 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/