// 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+\K\.").unwrap();
let string = "1. Wallbaum, H., S. Krank,
3. Levinson, H.S., Highways, people,
4. Mercier, J., Equity, social justice,
225. Lemp, J.D., et al.,
17. Chi, G. and B. Stone,";
let substitution = "|";
// 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/