// 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$|^(?!0+$)(\d{4}|\d{20}|\d{25})$").unwrap();
let string = "0
1
11
111
0100
0000
00000000000000000000
01001010100110010010
010010101001100100102
0000000000000000000000000
0100101010011010201301122
01001010100110102013011223";
// 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/