// 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"(?mis)\{if\s(.+?)}\R((?>(?!\{\/?if[}\s]).|(?R))*?)\{\/if}").unwrap();
let string = "{if $name == 'Tree'}
Hey, this is a Tree!
{/if}
{if $name == 'Example'}
{if $number == '1'}
Hey, this is an Example with the number 1
{/if}
{/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/