// 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"(FAIL|OK)$").unwrap();
let string = "2019-08-02 07:33:32 ---> OK
2019-08-02 08:32:42 ---> FAIL
2019-08-02 09:29:31 ---> OK
2019-08-02 10:29:23 ---> FAIL
2019-08-02 11:31:45 ---> OK
2019-08-02 12:30:55 ---> OK
2019-08-02 13:29:14 ---> FAIL
2019-08-02 14:29:19 ---> OK
2019-08-02 15:31:28 ---> OK
2019-08-02 16:28:39 ---> OK
2019-08-02 17:27:46 ---> OK
2019-08-03 05:28:31 ---> FAIL
2019-08-05 10:27:37 ---> OK
2019-08-05 11:26:39 ---> OK
2019-08-03 05:28:31 ---> FAIL";
// result will be a tuple containing the start and end indices for the first match in the string
let result = regex.captures(string);
let (start, end) = match result {
Some((s, e)) => (s, e),
None => {
// ...
}
};
println!("{}", &string[start, end]);
}
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/