// 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)(?=(?:[A-Za-z\.#\*]))((?<=(?:[\s])|(?<=^)))[a-z-\[\]:{1,2}#\.\*]+(\s+)?{").unwrap();
let string = "custom {
}
custom {
}
custom-tag.lol {
}
custom-tag[lol] {
}
custom-tag:active {
}
custom-tag::after {
}
.lol {
custom-tag {
}
}
[a-z-\\[\\]:{1,2}#\\.\\*]+(\\s+)?{
(?(?=\\w) (?<!\\w) | (?<!\\W) )
";
// 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/