// 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)^(?P<category>\D+)\s+(?P<value>[\d.]+)\s+(?P<unit>.+)").unwrap();
let string = "Weight 229.6104534866 g
Energy 374.79170898476 kcal
Total lipid (fat) 22.163422468932 g
Carbohydrate, by difference 13.641848209743 g
Sugars, total 4.3691034101428 g
Protein 29.256342349938 g
Sodium, Na 468.99386390008 mg ";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
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/