// 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)(?:(^[1-9]\d*)(\.\d*[1-9])?|(^0)(\.\d*[1-9]))([eE][+-](?!0+$)\d+)?$").unwrap();
let string = "123.4021203
0.11
00023123.1230000
0.101010101023e-124
010.000001
1230.123e+123
0.1e-1
1e-1
0e+2
0.e+2";
// 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/