// 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".. figure:: (.*?)(\n{2}[ ]{3}.*\n)").unwrap();
let string = "An example of the **Horizon Mapping** dialog box is shown below. A
summary of the main features is given below.
.. figure:: horizon_mapping_dialog_horizons_tab.png
**Horizon Mapping** dialog box, *Horizons*
Some of the input values to the **Horizon Mapping** job can be changed
during a Workflow using the internal programming language, IPL. For
details, refer to the *IPL User Guide*.
";
// result will be a tuple containing the start and end indices for the first match in the string
let result = regex.captures(string);
let (start, end) = match result {
Some((s, e)) => (s, e),
None => {
// ...
}
};
println!("{}", &string[start, end]);
}
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/