// 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+Content-[Tt]ype:\s*\S+").unwrap();
let string = "Accept-Ranges: bytes
Cache-Control: max-age=604800
Content-Type: text/html
Date: Fri, 14 Aug 2015 17:45:05 GMT
Etag: \"359670651\"
Expires: Fri, 21 Aug 2015 17:45:05 GMT
Last-Modified: Fri, 09 Aug 2013 23:54:35 GMT
Server: ECS (fty/2FA4)
X-Cache: HIT
x-ec-custom-error: 1
Content-Length: 1270
- 0%[ ] 0 --.-KB/s <!doctype html>
<html>
<head>
<title>Example Domain</title>
<meta charset=\"utf-8\" />
<meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\" />
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />
<style type=\"text/css\">
body {
background-color: #f0f0f2;
margin: 0;
padding: 0;
font-family: \"Open Sans\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;
}
div {
width: 600px;
margin: 5em auto;
padding: 50px;
background-color: #fff;
border-radius: 1em;
}
a:link, a:visited {
color: #38488f;
text-decoration: none;
}
@media (max-width: 700px) {
body {
background-color: #fff;
}
div {
width: auto;
margin: 0 auto;
border-radius: 0;
padding: 1em;
}
}
</style>
</head>
<body>
<div>
<h1>Example Domain</h1>
<p>This domain is established to be used for illustrative examples in documents. You may use this
domain in examples without prior coordination or asking for permission.</p>
<p><a href=\"http://www.iana.org/domains/example\">More information...</a></p>
</div>
</body>
</html>";
// result will be a tuple containing the start and end indices for the first match in the string
let result = regex.captures(string);
let (start, end) = match result {
Some((s, e)) => (s, e),
None => {
// ...
}
};
println!("{}", &string[start, end]);
}
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/