Remove NULL chars in Unicode strings

strip_null_chars.rs

extern crate regex;
use regex::Regex;

fn main() {
 let test = "\u{123}\u{000}\u{143}\u{00}";
 let no_nulls_regex = Regex::new(r"\x00").unwrap();
 println!("Before: {:?}", test);
 let sanitized = no_nulls_regex.replace_all(test,"");
 println!("Sanitized: {:?}", sanitized);
}