// 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"(?s)<a (?:(?!</a>).)*mailicon4\.gif.*?</a>").unwrap();
let string = " <a href='abc'>blah blah</a>
<a class=\"nonblock nontext\" id=\"u209382\" href=\"mailto:info@example.com\">
<!-- rasterized frame --><img class=\"temp_no_img_src\" id=\"u209382_img\" alt=\"\" width=\"66\" height=\"66\"
data-orig-src=\"images/mailicon4-u209382.png?crc=143036675\" src=\"images/mailicon4.gif?crc=4208392903\" /></a>
<a href='abc'>blah blah</a>
";
// 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/