// 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"(?:{(?:if ([^}]+)|(else)|(\/if))}|^)([^{]*(?:(?!{(?:if [^}]+|else|\/if)}){[^{]*)*)").unwrap();
let string = "{if $module=admin}
sdf
{else}
dsfsdf
{if $module=admin}
blah{invalid} blah
sdf
{/if}
{if $module=admin}
blah{invalid} blah
{else}
sdf
{/if}
{/if}";
// 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/