// 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)(<item>[^<]*?<title>(?<title>[^<]*?)<\/title>([^<]|<(?!description))*<description>(?<desc>[^<]*?keyword[^<]*?)<\/description>[^<]*?<\/item>)").unwrap();
let string = "<item>
<title>bla</title>
...
<description>bla</description>
</item>
<item>
<title>bla2</title>
<summary>bla2</summary>
<summary>bla2</summary>
<summary>bla2</summary>
<description>bla2, keyword here are blablabla</description>
</item>
<item>
<title>bla2</title>
....
<description>no kword here</description>
</item>
blablabla
<item>
<title>bla</title>
...
<description>bla</description>
</item>
<item>
<title>bla2</title>
<summary>bla2</summary>
<description>bla2, keyword here are blablabla</description>
</item>
<item>
<title>bla2</title>
<summary>bla2</summary>
<description>bla2, keyword here are blablabla</description>
</item>";
// 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/