// 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]*?\*/|("(\\.|[^"])*")"#).unwrap();
let string = "#include <stdio.h>
int main(int argc, char** argv)
{
// this comment will be removed
if (argc > 1) {
printf(\"Too many arguments.\\n\"); // this too will be removed
return 1;
}
printf(\"Please vist http://this.will.not.be.removed.com\\n\");
printf(\"/* This will stay */\\n\");
printf(\"\\\"/* This will stay too */\\\"\\n\");
return 0;
}
/*
this shall disappear
*/
#include <string>
int main(int argc, char** argv)
{
string foo = \"\"/*remove that!**/;
// Remove /* this
int butNotThis = 42;
// But do */ remove this
int bar = 4 /*remove this*/* 3; // but don't remove that 3. */
return 0;//just a comment
}/*end of the file has been reached.*/";
let substitution = "$1";
// 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/