// 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)(\<manufacturer>([^<]*)<\/manufacturer>)(\s*)(\<item_category>)(?:\2\s*)?([^<]*)(<\/item_category>)").unwrap();
let string = "<vehicle>
<manufacturer>JCB</manufacturer>
<item_category>JCB Tractors</item_category>
</vehicle>
<vehicle>
<manufacturer>Caterpillar</manufacturer>
<item_category>Digger</item_category>
</vehicle>
<vehicle>
<manufacturer>Caterpillar</manufacturer>
<item_category>Caterpillar Digger</item_category>
</vehicle>";
let substitution = "$1$2$3$4$5$6";
// 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/