// 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(]*?def)[^\n(]*+\K\(").unwrap();
let string = "def a(self)
def ab(self)
def abc(self)
def abcd(self)
a(self)
ab(self)
abc(self)
abcd(self)
It should not match lines with:
anything def anything(thing)
And only match lines as:
anything anything(thing)
";
// 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/