// 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*)\/{4,}\n)+(^(\s*)\/{2,3}(?!\/)[\s\S]*\n)*\1)").unwrap();
let string = "namespace sf {
////////////////////////////////////////////////////////////
/// \\ingroup system
/// \\brief Return a pointer to the Android native activity
///
/// You shouldn't have to use this function, unless you want
/// to implement very specific details, that SFML doesn't
/// support, or to use a workaround for a known issue.
///
/// \\return Pointer to Android native activity structure
///
/// \\sfplatform{Android,SFML/System/NativeActivity.hpp}
///
////////////////////////////////////////////////////////////
SFML_SYSTEM_API ANativeActivity* getNativeActivity();
////////////////////////////////////////////////////////////
// a
////////////////////////////////////////////////////////////
} // namespace sf";
let substitution = "$3/**\\n$2$3 */\\n";
// 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/