// 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"enum[^{]*{\s*((?!([A-Z][_A-Z0-9]+))\w+)(,\s*(?![_A-Z0-9]+)\w+)*(;[^}]*)*\s*}").unwrap();
let string = "enum TransparencyState {
one
}
enum Blah {
One
}
enum TransparencyState {
gone, TRANSLUCENT, OPAQUE_OR_DULL
}
enum TransparencyState {
Gone,
translucent,
opaque
}
enum Blah {
One, TwO_t
}
public enum SearchType {
PARTNO_1,
pART_TYPE;
@Override
public String toString() {
return super.toString();
}
}";
// result will be a tuple containing the start and end indices for the first match in the string
let result = regex.captures(string);
let (start, end) = match result {
Some((s, e)) => (s, e),
None => {
// ...
}
};
println!("{}", &string[start, end]);
}
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/