// 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(?=(?:\d{3})+\b)").unwrap();
let string = "$items = array(
\"Receive 10010 from John\",
\"Send 1503000 to Jane\",
\"Receive 589 from Andy\",
\"Send 3454 to Mary\"
);";
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/