// 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)^(?:(?<real>\d+(?:(?:\.\d+)?(?:e[+\-]\d+)?)?)?(?:[+\-]))?(?<imaginary>\d+(?:(?:\.\d+)?(?:e[+\-]\d+)?)?)?[iI]$").unwrap();
let string = "1.23e+45-67.89e-1256i
3
3+4i
3+4I
3-4i
+4i
-2i
3+i
4-i
+i
-i
i";
// 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/