// 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"(?s)^.*IP: (?!63\.3\.245\.123)(\d+.\d+.\d+.\d+).*$").unwrap();
let string = "The
Rest
of this code
is just HTML and stuffThe
Rest
of this code
is just HTML and stuff
Edit Ticket Post
E-mail: customeremail@ip.com IP: 98.154.227.123
The
Rest
of this code
is just HTML and stuffThe
Rest
of this code
is just HTML and stuff
Regards,
Edit Ticket Post
E-mail: myemail@google.com IP: 63.3.245.123
The
Rest
of this code
is just HTML and stuffThe
Rest
of this code
is just HTML and stuff";
let substitution = "$1";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
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/