// 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"(?x)( # Group 1
\( # Opening bracket
( # Group 2
(?: # Non-capturing group
[^()] # Match anything except opening or closing parentheses
| # Or
(?1) # Repeat Group 1
)* # Repeat the non-capturing group zero or more times
) # End of group 2
\) # Closing bracket
)").unwrap();
let string = "(user email ends with \"@email.com\" and user name is \"John\") or ((user email ends with \"@domain.com\" and user name is \"Bob\") or (user id is 5))";
// 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/