// 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"(?<=>)[#]\w\S*(?=<)\b").unwrap();
let string = "<p></p><p>#clarity is what I want</p><p></p><p>#bootiful #dreamer</p><p><a href=\"https://arstechnica.com/gadgets/2020/05/caddy-offers-tls-https-and-more-in-one-dependency-free-go-web-server/#first\" rel=\"noopener noreferrer nofollow\">https://arstechnica.com/gadgets/2020/05/caddy-offers-tls-https-and-more-in-one-dependency-free-go-web-server/#first</a></p
<span class=\"hashtag\" data-hashtag-id=\"dreamer\">#dreamer</span>";
// 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/