// 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"(?im)<(h[1-6])>(.+)(\s+)([^\s]+)<\/\1>").unwrap();
let string = "<h2>This is a test heading</h2>
<p>Here is some text</p>
<div>
<h3>Here is a another heading</h3>
<p>Some more paragraph text which shouldn't match</p>
</div>
<h2>This is a test heading</h2>
<p>Here is some text</p>
<div>
<h3>Here is a another heading</h3>
<p>Some more paragraph text which shouldn't match</p>
</div>";
let substitution = "<$1>$2 $4<\\/$1>";
// 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/