// 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)\b(?:(?:0?[0-9]?[0-9]|1?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\.??\b){4}").unwrap();
let string = "Should Match:
204.131.100.104
255.255.005.055
192.168.10.1
172.16.1.1
10.10.10.1
1.2.3.4
255.255.255.255
001.02.3.004
123.145.254.189:8080
1.2.3.4-4.3.20.1
4.3.2.1.9.8.7.6
Shouldnt match:
255.256.255.255
172.999.2.3
this is a string1.2.3.4
this is another 1.2.3.4string
144.109.279.255
v1.2.3.4
";
// 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/