// 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)\b\d{4}\b").unwrap();
let string = " '2025',
'2150 is the year to match',
'the year is 2030 see ref 2099662',
'Should match the year here YEAR_2140 even though it has non numric chars preceeding it',
'Should match the year at the end of a string like this - 2140',
'ref 2099662 the year is 2140. And there is another sentence',
'ref 2099662 the end of the string is the year 2140',
'There is no year here 2055667'";
// 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/