// 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>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?P<stage>(?:alpha|beta|rc))(?:\.(?P<feature>(?:(?P<pic>[0-9a-zA-Z-]*)\.)?[0-9a-zA-Z-]*))?))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$").unwrap();
let string = "0.2.19-beta.sppe-123+noescape
0.2.19-beta.fix-panic
0.2.18-alpha.zhihua-zeng.performance-improvement-test
0.2.18-rc
0.2.17
";
// 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/