// 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)^(?P<major>[1-9]+\d*)\.(?P<minor>[1-9]+\d*)\.(?P<patch>[1-9]+\d*)(?:-(?P<pre_release>(?:[A-Za-z1-9][A-Za-z0-9\-]*)+(?:\.(?:[A-Za-z1-9][A-Za-z0-9\-]*)+)*))?(?:\+(?P<build_metadata>(?:[A-Za-z1-9][A-Za-z0-9\-]*)+(?:\.(?:[A-Za-z1-9][A-Za-z0-9\-]*)+)*))?$
").unwrap();
let string = "131.22.33
131.22.33-a.b-t.c.123
131.22.33+abc.oio.a-sd
131.22.33-a.b-t.c.123+abc.oio.a-sd
131.22.33-
131.22.33--a.b-t.c.123
131.22.33+-abc.oio.a-sd
131.22.33++abc.oio.a-sd
131.22.33-a.b-t.c.123++abc.oio.a-sd
131..22.33
131.22.33-a..b-t.c.123
131.22.33+abc..oio.a-sd
131.22.33-a.b-t..c.123+abc.oio.a-sd
0131.22.33
131.022.33-a.b-t.c.123
131.22.033+abc.oio.a-sd
131.22.33-a.b-t.c.123+abc.oio.a-sd+a.b-t.c.123";
// 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/