// 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)^(?:([1-9]?[0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}(?1)$").unwrap();
let string = "0.0.0.0
0.0.0.1
0.0.0.9
0.0.0.19
0.0.0.29
0.0.0.39
0.0.0.49
0.0.0.59
0.0.0.69
0.0.0.79
0.0.0.89
0.0.0.99
0.0.0.100
0.0.0.109
0.0.0.199
0.0.0.200
0.0.0.209
0.0.0.210
0.0.0.219
0.0.0.229
0.0.0.239
0.0.0.249
0.0.0.250
0.0.0.251
0.0.0.253
0.0.0.254
0.0.0.255
0.0.0.256
127.0.0.1
255.255.255.0
192.168.0.1";
// 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/