// 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)(?:^| )[^@#\s_]*(_([^_\n]+)_)").unwrap();
let string = "Test sentence:
_some_val #ta_g_ and _some_ value, but some_val_ and #some_tag_value and @a_mention_ and a #_tag_
Should match (between underscores)
----
_italic text here_
police_woman_
_fire_fighter
a thousand _words_
_brunch_ on a Sunday
Should not match anything
----
@ta_g_
__value__
#some_tag_value
@some_value_here
@some_tag_
#some_val_
#_hello_
";
// 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/