// 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)^[-+]?[0-9]*\.?[0-9]+$").unwrap();
let string = "1
2.1
3.14
-4
+5
.6
-.7
+.8
.
-
+
-.
+.
9.
10..1
11.1.2
.12.1
..13
-.14.
+..15";
// 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/