// 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"(?<=[^=\d])\d+(?:\p{Zs}|&\w+;)%").unwrap();
let string = "some 50%
and 50 %
now 50 %
47 %
42 %
width=50%
this width=42 % shouldn't match
while a calculation such as result = 27 % may match.
";
// 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/