// 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#"(?im)(?<qt>['"`])(?<string>.*?(?<!\\)\k<qt>\k<delimiter>)|\k<delimiter>(?:[ \t\v])*(?<keyword>(?:const|let|function)\s)|(?<=.*)(?:\/\/.*$)|(?<=.*)(?:\/\*+(?:.|\s)*\*\/)|(?<delimiter>[;{}\n/]|^)(?![;{}\n/])|\s*"#).unwrap();
let string = "function myFunction() {
let carName = \"Volvo\";
'sdf'// here is a comment, string before it should still exist
let banana
const test = 'string with \"quoted substring\"'; let airplane = 'fly';
(\"and another string th'' as' asd 'ere\")
'escaped \\' character '
labelForStrings: {
`t'is a\\` \"string\"`
}
}
const variableShouldStillExist /*asd *****
* 324 @*l;;?\\\\\\
* multiline comment
*** /
*/
/* single multiline */";
let substitution = "$1$2$3$4";
// 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/