// 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)(?<=def.)\w+|\b((?!if)\w*(?!\s*[+])(?!.*==)(?=.*[=]))\b").unwrap();
let string = "a = 2
if a == 2:
b=3
a+=1
c = (a,b)
def d(x):
return x-1
a2,B_2 = (3,4)
(g, [h, i]) = [5,[6,7]]
(?![+])";
// 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/