// 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)^(?=.*\bKeyWord2\b)|\G.*?\K\bKEYWORD1\b").unwrap();
let string = "The KeyWord2 before one KEYWORD1 here
The KEYWORD1 before one KeyWord2 here
The KEYWORD1 before KeyWord2 then KEYWORD1 and KEYWORD1 again
The KeyWord2 before KEYWORD1 and KEYWORD1 again
The KEYWORD1 before one KeyWord99 here
The KEYWRD before one KeyWord2 here
";
// 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/