// 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)^([\s\n]*(^\s*)[^{};]*\{)").unwrap();
let string = "
public class Main {
class innerClass {
int a;
int b;
@Override
private int goo() {
}
}
String a;
public static void main (String[] args) {
// blablabla
}
@Override
public int foo(int a) {
}
}";
let substitution = "$2/***/$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/