// 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)(?<=\s)((?:docstring|some_detailed_notes)\s*=\s*\(?\s*(?://.*\n\s*)*)"((?:[^"\\]|\\.)+)"(\s*\)?\s*;)"#).unwrap();
let string = "class myClassA(myBaseClass) {
docstring = // End-of-line-comments possible
\"
This is my class description docstring stored in a string variable inherited from
myBaseClass.
The content of this string, INCLUDING INDENTATION, MUST NOT be changed.
\";
docstring = (
\"
Enclosed in parentheses
\"
);
// This variable is declared as string has a mismatched indentation:
string some_detailed_notes = \"Some string like this is also possible.
Also with
some really
strange indentation
and `inline code`, ```code blocks``` $\\\\text{LaTeX}$ $$\\\\frac{1}{2}$$
:::{hint}
some admonitions
:::
and all kind of special characters such as:
\\\"
(...)
{...}
[...]
;.,
etc.
which MUST be preserved.\";
string some_other_string = \"
do NOT touch this, only docstring and some_detailed_notes
\";
}";
let substitution = "\\1R\"\"\"\"\\2\"\"\"\"\\3";
// 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/