// 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*[()](?=(?:[^@]*@[^@]*@)*[^@]*$)\s*").unwrap();
let string = "( [15] == @value 1@ || [15] == @value 2@ ) && ( [5] == @value 3 (ignore these)@ || [5] == @value 4@ ) || ( [2] == @value 5@ )";
let substitution = "";
// 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/