// 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)(?#regexp & naming based on RFC5424)
^<(?<priority>\d|\d{2}|1[1-8]\d|19[01])>(?<version>\d{1,2})\s
(?<timestamp>-|(?<fullyear>[12]\d{3})-(?<month>0\d|[1][012])-(?<mday>[012]\d|3[01])T(?<hour>[01]\d|2[0-4]):(?<minute>[0-5]\d):(?<second>[0-5]\d|60)(?#60seconds can be used for leap year!)(?:\.(?<secfrac>\d{1,6}))?(?<numoffset>Z|[+-]\d{2}:\d{2})(?#=timezone))\s
(?<hostname>[\S]{1,255})\s
(?<appname>[\S]{1,48})\s
(?<procid>[\S]{1,128})\s
(?<msgid>[\S]{1,32})\s
(?<structureddata>-|(?:\[.+?(?<!\\)\])+)
(?:\s(?<msg>.+))?$").unwrap();
let string = "<165>1 2003-08-24T05:14:15.000003-07:00 192.0.2.1 myproc 8710 - - %% It's time to make the do-nuts.
<34>1 2003-10-11T22:14:15.003Z mymachine.example.com su - ID47 - BOM'su root' failed for lonvick on /dev/pts/8
<190>1 2003-10-11T22:14:15.003Z mymachine.example.com evntslog - ID47 [exampleSDID@32473 iut=\"3\" eventSource=\"Application\" eventID=\"10\\] 11\"] BOMAn application event log entry..[ ] sadasd
<25>1 2003-10-11T22:14:15.003Z mymachine.example.com evntslog - ID47 [exampleSDID@32473 iut=\"3\" eventSource=\"Application\" eventID=\"1011\"][examplePriority@32473 class=\"high\"]
<1>12 - mymachine - - ID47 - asd asdaasd";
// 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/