// 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"(?x)<\? # opening tag
[^?\/]* # all that is not a ? or a /
(?:
\/ # a slash:
(?:
(?![\/*]) [^?\/]* # - not followed by a slash or a *
|
\/.*(?:\n[^?\/]*)? # - that starts a single line comment
|
\* # - that starts a multiline comment
[^*]* (?:\*+(?!\/)[^*]*)* # (comment content)
(?:\*\/ [^?\/]* | $) # */ is optional
)
|
\?(?!>) [^?\/]* # a ? not followed by a >
)*
(?:\?>|$) # optional closing tag ?>").unwrap();
let string = "<? /* hello */ ?>
html
<? /* world*/ ?>
<? /// ?>
dfgdfgdfg?>
<? /* ?> */ ?>
<? /* unclosed
multiline
comment
works until the end of the string ";
// 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/