// 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"(\w*)\s(\w*)\n([^}])").unwrap();
let string = "HEADER1:{
key value
key value
...
HEADER2:{
key value
...
},key value
HEADER3:{
key value
HEADER4:{
key value
...
}
},key value
}
";
let substitution = "$1:$2,$3";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
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/