// 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#"(?is)(<a\s+href="http:(?!\/\/(?:www\.)?example\.com)[^"]*")>"#).unwrap();
let string = "<a href=\"/somepage.htm\">1</a>
<a href=\"http://www.somesiteexternal.com/\">2</a>
<a href=\"http://www.example.com/somepage.htm\">3</a>
";
let substitution = "\\1 target=\"_blank\">";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
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/