// 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)^(?<negative>\-?)(?<preceding>0?)(?<main>[0-9]+\.??[0-9]*?)(?<trailing>\.?0*)$").unwrap();
let string = "00.00
00.010
0.
11.010
11
123.123
-239.010
010.0010
-001.10";
let substitution = "$1$3";
// 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/