// 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)^(01\d{14})(17\d{6})?(10\w{1,20})?(21\w{1,20})?$").unwrap();
let string = "01084700069811461719010010285322921DA192089940088
01084700088763891719050010BM2120
Each block start with a fixed code and is followed by digits o characters
01 + 14 digits
17 + 6 digits
10 + from 1 to 20 characters
21 + from 1 to 20 characters
0108470006981146 17190100 102853229 21DA192089940088
0108470008876389 17190500 10BM2120";
// 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/