// 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)^([^\n]+?[\n][^\n]+?[\n])((?:[^\n]+?\n)*?)([^\n]+?[\n][^\n]+?[\n][^\n]+?[\n]*)$").unwrap();
let string = "This could
be \"words\"
or any text
or pattern
or any amount of lines
need 3 groups:
1 -> lines 1 to 2
2 -> lines leftover
3 -> last 3 lines
";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
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/