// 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"([\s\S]*)(\#)([a-zA_Z0-9]*)(\#)(\s*)(.*)([\s\S]*)").unwrap();
let string = " 1 OPTION 1
2 OPTION 2
3 OPTION 3
4 OPTION 4
5 OPTION 5
6 OPTION 6
7 OPTION 7
8 OPTION 8
9 OPTION 9
10 OPTION 10
100 OPTION 100
#1000# OPTION 1000
[REPLACEALL]([\\s\\S]*)(\\#)([a-zA_Z0-9]*)(\\#)(\\s*)(.*)([\\s\\S]*)[WITH]$6";
let substitution = "$6";
// 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/