// 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"(?<=^|\n)(?P<spacer>[[:blank:]]*(?:\{[^{]*(?&spacer)[^}]*\}[[:blank:]]*)[[:blank:]]*|[[:blank:]]+)(\d+)\.(?&spacer)(?:([1-8])?([a-h])([1-8])([+-<>])([1-8]*)|([FSC])?([a-h])([1-8]))(?:(?&spacer)(?:([1-8])?([a-h])([1-8])([+-<>])([1-8]*)|([FSC])?([a-h])([1-8])))?(?&spacer)?(?=$|\n)").unwrap();
let string = " 1. a1 e1
2. a2 e2
3. a3 b4
4. a4 a5
5. Cb5 b4<
{~6. b4 Cb3~}
6. b4 Se3";
// 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/