// 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\d{2}|2[0-4]\d|25[0-5]|[1-9]?\d)(\.(?=\d)|(?!\d))){4}(/([12]?\d|3[0-2]))?$").unwrap();
let string = "10.238.51.19
12.89.119.255/30
12.89.119.25
1.2.3.4/24
0.0.0.0/0
00.00.00.00
0.0.0.0.0
1.1..123
1.1.1234.123
1.1.1.123/
1.1.456.78
";
// 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/