// 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"(x(\d)(,)?)(x(\d)(,)?)?").unwrap();
let string = "X1,O1,X2,O2,Z3,X4,O4,Z5,X6,O6 <- repeated groups broken apart
x1,x2,Z3,x4,Z5,x6
X1,X2,O1,O2,Z3,X4,O4,Z5,X6,O6 <- repeated groups kept together";
let substitution = "X$2,X$5$3O$2,O$5$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/