// 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)error(?!s=)").unwrap();
let string = "1 sample text, more text, errors=123456 more text more text
2 drops=0 link status good errors=0 adapter
3 Error: process failed to start
4 process [ERROR] failed
5 this line might have both ERROR and error=5555 and more text
6 there might be a line that has error=0x02343329 ERROR and more text";
// 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/