// 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"(?mx)^( # start group 1
\((?>[^)(\]\[}{]+|\g<1>)*\)| # parens
\[(?>[^)(\]\[}{]+|\g<1>)*\]| # brackets
\{(?>[^)(\]\[}{]+|\g<1>)*\} # braces
)$ # group 1 end").unwrap();
let string = "{xyz}
{xyz]
{[]}
([foo]bar)
([{bar}]baz)
([{barbar]
((a)b)
";
// 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/