// 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"(?m)\{((?:[^{}]|(?R))+)\}").unwrap();
let string = "Eu sou uma string {dentro de uma string {dentro de outra} }
String {com {vários {níveis {de } chaves}} aninhadas}.
String {com mais {de} um} trecho {com {chaves}}
String com {chaves {desbalanceadas}
Chaves {} vazias
Apenas {um par de} chaves
Somente abre { chaves.";
// 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/