// 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)^-{2}\b[a-z][a-z\d]{2,}\b(-{1}[a-z\d]+)*$").unwrap();
let string = "--valid
--th1s-is-also-val1d
--match-this-option-as-well
--9this-is-invalid-because-of-the-leading-digit
--this--is--invalid--because--of--word--wrapping--by--multiple--hyphens
--this-should-also-fail-because-of-the-trailing-hyphen-
-A -g -1 -Ag1 --valid --th1s-is-also-val1d --match-this-option-as-well --9this-is-invalid-because-of-the-leading-digit --this--is--invalid--because--of--word--wrapping--by--multiple--hyphens --this-should-also-fail-because-of-the-trailing-hyphen- --load-file=\"ReAdMe2.TxT\"";
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/