// 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"(?mx)(?<!\d)
(?:
(?!0000)[0-9]{4}
(?P<sep1>[-/.])?
(?:
(?:(?(sep1)0?|0)[1-9]|1[0-2]) (?P=sep1) (?:(?(sep1)0?|0)[1-9]|1[0-9]|2[0-8])
|(?:(?(sep1)0?|0)[13-9]|1[0-2]) (?P=sep1) (?:29|30)
|(?:(?(sep1)0?|0)[13578]|1[02]) (?P=sep1) (?:31)
)
|
(?:
[0-9]{2}
(?:
0[48]
|[2468][048]
|[13579][26]
)
|(?:
0[48]
|[2468][048]
|[13579][26]
)00
)
(?P<sep2>[-/.]?)
(?(sep2)0?|0)2 (?P=sep2) (?:29)
)
(?!\d)
").unwrap();
let string = "aaa_20150229_bbb
aaa_2012-02-29_bbb
aaa_2000-02-29_bbb
aaa_20000229_bbb
2004-2-29
1696-2-29
16960229
aaa_1904229_bbb
aaa_18000229_bbb
aaa_17000229_bbb
aaa_16000229_bbb
2019-3-30
19960229
aaa_20150130_bbb
aaa_20150131_bbb
aaa_2015-04-30_bbb
aaa_20150431_bbb
2019228
2019228
201911";
// 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/