// 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"<\?(?!php)").unwrap();
let string = "<?
$var1 = \"This is just some dummy test.\";
echo $var1;
?>
Leave this tag alone:
<?php
echo $var2;
?>";
let substitution = "<?php";
// 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/