// 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"(?msi)\[GC\s+[\d\.]+:\s+\[ParNew:[^\]]+\]\s+(?<JVM_HeapUsedBeforeGC>[\d\.KM]+)->(?<JVM_HeapUsedAfterGC>[\d\.KM]+)\((?<JVM_HeapSize>[\d\.KM]+)\),\s+(?<JVM_GCTimeTaken>[\d\.]+ secs)\]\s+\[Times: user=(?<user>[\d\.]+)").unwrap();
let string = "[GC 44625.964: [ParNew: 929756K->161792K(1071552K), 0.0821116 secs] 10302433K->9534469K(13121984K), 0.0823159 secs] [Times: user=0.63 sys=0.00, real=0.08 secs]
";
// 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/