// 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"(?mi)\b(?!(?:LV|and|normal|(?<=\bno\s+)cardiac|indexed|heart)\b)\w+\s+mass\b").unwrap();
let string = "There is a 2mm mass in the RA
large irregular mass in the left ventricle
LV mass: 135g
Normal heart mass
fact that cardiac mass is valid but no cardiac mass is invalid.";
// 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/