// 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)(?<!\s)(?<!since)(\s*)1\.0\.0").unwrap();
let string = "/**
* @since 1.0.0 <--- this shouldn't be matched
* @package blah blah blah
* Version: 1.0.0 <--- this should be matched
*/
/**
* Fired during plugin activation.
*
* This class defines all code necessary to run during the plugin's activation.
*
* @since 1.0.0 <--- this shouldn't be matched
* @package blah blah
* @subpackage blah blah
* @author blah blah
*/
define( 'PLUGIN_VERSION', '1.0.0' ); // <--- this should be matched
";
let substitution = "${1}1.2.3";
// 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/