// 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)^[\t\p{Zs}]*\([\pZs}\t](?:[^()\n]*[\pZs}\t])?\)[\pZs}\t]*$").unwrap();
let string = " ( )
( This is a comment )
1 2 +
\\ a
: square dup * ;
( foo bar
baz )
(quux)
( ( )
(
( )";
// 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/