// 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#"flavor=\"[^\"]+\(([^\)]+)"#).unwrap();
let string = "<182>1 2016-08-30T13:11:17.530157+02:00 cloudcapprorh01.boaweng.gsnetcloud.corp capacity.instances - - [timeQuality tzKnown=\"1\" isSynced=\"1\" syncAccuracy=\"946892\"] diskconfig=\"MANUAL\" availability_zone=\"BOAW-1\" host=\"srvboaw01cnodep38.boaw-infra.gsnetcloud.corp\" hypervisor_hostname=\"srvboaw01cnodep38.boaw-infra.gsnetcloud.corp\" instance_name=\"inst-00001ff5\" power_state=\"1\" task_state=\"None\" vm_state=\"active\" launched_at=\"2015-07-23T07:18:03.000000\" terminated_at=\"None\" accessipv4=\"\" accessipv6=\"\" addresses=\"PRB_PRODSERV_LAB (Template 0) \\ Subnet 0=10.200.0.16\" config_drive=\"\" created=\"2015-07-23T07:17:59Z\" flavor=\"sabor554??(adf) (1003)\" hostid=\"76651d2e4c981ab8084dad155e52129580ed9fd4baf5fa628cd8bae8\" id=\"61626999-026e-4d06-9eaa-835c0262b939\" image=\"RHEL 7.0 (3fa495a8-fbb6-45c0-9c44-874b9016d4a3)\" key_name=\"jdelarco\" name=\"gitlab\" volumes_attached=\"[]\" progress=\"0\" project_id=\"6e58b12be4bb4972bfb42812ee806065\" properties=\"\" security_groups=\"[{u'name': u'default'}]\" status=\"ACTIVE\" updated=\"2015-11-16T17:06:38Z\" user_id=\"x100183\" region=BOAW";
// 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/