// 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)^\-?\d+(?:\.\d+)?(?= *=)|\-?\d+(?:\.\d+)?$").unwrap();
let string = "6 = 2*3
2*3 = 6
-6 = 2*4 - 2
2*4 - 2 = -6
3.24 = 3 * 1.08
-3 * 1.08 = -3.24
6 = 3!
3! = 6
";
// 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/