// 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)<body>\K\s*<tag(?:(?!<inner_block=25>).)+</tag>").unwrap();
let string = "<body>
<tag>
<number=1>
<inner_block=5>
</tag>
<tag>
<number=12>
<inner_block=15>
</tag>
<tag>
<number=21>
<inner_block=25>
</tag>
<tag>
<number=29>
<inner_block=35>
</tag>
</body>";
let substitution = "";
// result will be a String with the substituted value
let result = regex.replace(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/