// 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)(?:\[|\G(?!^))\K[^][](?=[^][]*])").unwrap();
let string = "$lang['activate_deactivate'] = \"Activate / Deactivate\";
$lang['invalid_username'] = \"Invalid username\";
$lang['you_must_enter_username'] = \"You must enter username\";
$lang['invalid_user_name'] = \"Invalid username\";
$lang['user_deactivated'] = \"User has been deactivated\";
$lang['user_not_deactivated'] = \"User could not be deactivated\";";
let substitution = "$0█";
// 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/