// 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)\B(?<!\d)\d\b").unwrap();
  let string = "I am 2the number1
I am 3the number1abc
I am 4the number1 @#@%$grtuy
I am number1 1 and you number2 2
I am 5the number11 @#@%$grtuy
I am 6the number11";
  let substitution = "";
  
  // 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/