// 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*|0)?(?:\.\d+)?$").unwrap();
let string = "123456
123.
.
.123
123.154574
.545.4584
+1454
+487.54587
-54587.7487
.1225-
.456+
454.4+
454.455874
45.45745687687.5678";
// 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/