// 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)(?:START).*?(?:END)(?-s)|//.+|\. old|^\s+old(*SKIP)(*FAIL)|\b(old)\b").unwrap();
let string = "xx START xx old xx END xx --> ignore
xx old xx --> REPLACE !
START xx old --> ignore
xx old xx END --> ignore
xx old xx --> REPLACE !
// xx old --> ignore
xx // xx old --> ignore
xx . old old xx --> ignore first one, replace second one
.
old --> ignore
(old) xx --> REPLACE !
xx old xx --> REPLACE !";
// 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/