// 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)((\w*)([+-=]).*)(\2 \3.*)").unwrap();
let string = "a+2da + 2d
x-y=3x - y = 3
a+b-c=da + b - c = d
a_n=a+(n−1)da_n = a + (n - 1)d";
// 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/