// 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)^(?:(?:[-\w\d?*.+|{}\\\/\s<>\]\(])|(?:\\[\[\]()])|^[\[(].+?[\])])+\s*(?<valid>(?:#+).*)$|^[-\[\w\d?*.+|{}\\\/\s<>\(]+(?<invalid>(?:#+).*)$").unwrap();
let string = "(\\h{8}-\\h{4}-\\h{4}-\\h{4}-\\h{12}) # match UUID (no square brackets at all)
([A-Za-z_][A-Za-z0-9_]*) # valid Python identifier (paired unescaped square brackets)
(\\||\\[|\\?) # match some stuff (escaped opening square bracket)
[A-Za-z # letters
0-9_-.] ### stuff
(\\[ # works if escaped [ is in group
\\[ # and on its own...
if | pass | raise | return | try | while | with # this should be a comment
\\h # a hex digit";
// 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/