// 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"(?<![\da-z])(?:([a-z]+(?=\d)|\d+(?=[a-z]))((?<=\d)[a-z]+|(?<=[a-z])\d+))(?![\da-z])").unwrap();
let string = "abc21\" or \"943xyz
\"a12bc\",
\"11a12bc\", ";
let substitution = "$1 $2";
// 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/