// 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)^(January|February|March|April|May|June|July|August|September|October|November|December) (3[01]|[12][0-9]|0[1-9]) (19|20)\d{2}$").unwrap();
let string = "Should pass:
January 12 1975
February 31 2000
May 01 2099
Should fail:
Abbreviated month:
Jan 12 1975
Day out of range:
February 32 2000
No leading zero on day:
May 1 2099
Year out of range:
March 11 1234
Year too long:
May 01 20000
Year too short:
May 01 19
";
// 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/