// 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"(?sx)(?'a'[~_])(?=
(?'d'(?!\s)(?:(?!\k'a').)+(?<!\s)\k'a') |
(?=(?'b'.*))(?'c'
^(?>\k'a'(?&d)|.)*\k'a'(?&d)(?=\k'b'\z) |
(?<=(?=x^|(?&c)).)
)
)").unwrap();
let string = "~target~
~target~adjacent is not target~
begining with space ~ target~
ending with space ~target ~
empty ~~
divided by two lines _tar
get_
without closing delimiter ~target
with mixed delimiters ~_target~_
with nested delimiters ~_target_~";
// 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/