// 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){IF\s*([^}]+)}([\s\S]+)(?:{\/?ELSE})([\s\S]+?){\/IF}").unwrap();
let string = "{IF !isLoggedIn}
<a href=\"/sign-in/\">Sign In</a>
{ELSE}
Welcome back, {>username}!<br />
{# students}
<li>{#>last_name}, {#>first_name}</li>
{/#}
{/IF}
{IF isLoggedIn}
Beta Testing...
{/IF}";
// 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/