// 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)^(([0-9]){1,3})[.](([0-9]){1,3})[.](([0-9]){1,3})[.](([0-9]){1,3})$").unwrap();
let string = "1
1.
1.1
1.1
1.1.
1.1.1
1.1.1.
1.1.1.1
1.1.1.1.
1.1.1.1.1
20
20.
20.20
20.20.
20.20.20
20.20.20.
20.20.20.20
20.20.20.20.
20.20.20.20.20
300
300.
300.300
300.300.
300.300.300
300.300.300.
300.300.300.300
300.300.300.300.
300.300.300.300.300
4000
4000.
4000.4000
4000.4000.
4000.4000.4000
4000.4000.4000.
4000.4000.4000.4000
4000.4000.4000.4000.
4000.4000.4000.4000.4000
ak</';
1,1,1,1";
// 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/