// 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#"(?)( *(((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))*)|(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))+)((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))*(( +|( *[,~>+] *))(((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|(' *.+ *')|((") *.+ *("))))?( *\]))*)|(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))+))*)* *(?!.))"#).unwrap();
let string = ":pseudo-class(value)[attribute~=value]#id.class > ::pseudo-element, element";
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/