// 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)(?<=attrs=\[\[[^\]]*(?:](?!])[^\]]*)*),(\s*)").unwrap();
let string = "this.mk(attrs=[[keyCollection.key: 40]]))
this.mk(attrs=[[keyCollection.key: 50, override.key: override.value]])
this.mk(attrs=[[keyCollection.key: 60,
override.key: override.value]])";
let substitution = "],$1[";
// 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/