// 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)^(?>(25[0-5]|2[0-4]\d|1\d{2}|[1-9]\d|\d)\.){3}(?1)$").unwrap();
let string = "100.109.237.255
0.0.0.0
0.0.249.232
4.123.0.255
172.16.255.255
23.123.234.234.4
04.234.234.
314..234.44.32
123.123.123.123.
255.255.255.255";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
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/