// 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)(?<![-\.\d])(?:0{0,2}?[0-9]\.|1\d?\d?\.|2[0-5]?[0-5]?\.){3}(?:0{0,2}?[0-9]|1\d?\d?|2[0-5]?[0-5]?)(?![\.\d])").unwrap();
let string = "str1 = 'Hello my name is Ben and my IP address is 256.0.0.0'
negative number is invalid: -127.2.1.2
valid: 001.001.001.001
str2 = 'Hello my name is Folks and my IP address is 1.2.3.4.5'
str3 = 'Hello all, ip addresses: 111.2.3., ip:0.0.0.0, 127.2.1.2'";
// 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/