// 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)^(?<nthBase>[+-]?\d+)(?:\*?(?<series>n)(?<crementer>[+-]\d+)?)?$").unwrap();
let string = "2n+1
2n
444
-22
+4n
-5*n
-5*n-3
-5n+44
--5
++5
-
+
-6-1
62-1
62n-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/