// 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)\n(?![^<]*<\/pre>)").unwrap();
let string = "<p>Test contennt for regex
with line breaks</p>
<pre>code block
with multi line content
working fine</pre>
<pre class=\"brush:C#\">
test line break before
open paranthesis < is not working fine
line breaks after paranthesis
is accepted
</pre>";
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/