// 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#"(?xs)["'`][^"'`]*(?!\\)["'`](*SKIP)(*F) # Make sure we're not matching inside of quotes, double quotes or backticks
|(?m-s:\s*(?:\-{2}|\#)[^\n]*$) # Single line comment
|(?:
\/\*.*?\*\/ # Multi-line comment
(?(?=(?m-s:[\t ]+$)) # Get trailing whitespace if any exists and only if it's the rest of the line
[\t ]+
)
)"#).unwrap();
let string = "SELECT `#comment inside string`;";
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/