// 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)^.*?(?:([-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?).*|$)").unwrap();
let string = ".&.
0.0119885482338&.&.
.&2.25880593895
.&.&.&.&.&.&.&.
.&0.295142083575&.
0.708323350364
.&.&0.193766679861
.&.&.&.&7.65239874523E-4&.&.";
let substitution = "\\1";
// 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/