// 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)(?:(?<=\().+?(?=\))|(?<=\[).+?(?=\]))").unwrap();
let string = "this is a [sample] string
with [so.me] special ((words)). and he(r)e's [[another! one]] within double brack[ets.
let's finish] this.
#ver 1 - \\[(.*?)\\] - catch brackets, stop if nl between brackets
#ver 2 - \\[(.*?]*)\\] - same
#ver 3 - \\[([^]]+)\\] - same, but catch even if nl between brackets
#ver 4 - \\[([^\\[\\]]*)\\] - same
#ver 5 - (?<=\\[).+?(?=\\]) - catch inside the brackets, stops at nl
#ver 6 - (\\[(?:\\[??[^\\[]*?\\])) - same as #3
#ver 7 - (?<=\\[).*?(?=\\]) - same as # 5
#ver 8 - ([[][a-z \\s]+[]]) - catch only the first, w/ brackets
#ver 9 - (?:(?<=\\().+?(?=\\))|(?<=\\[).+?(?=\\])) - same as #5 but catch () as well";
// 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/