// 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"(?sm)((?:(?:void|unsigned|signed|long|short|float|double|int|char|\*)(?:\s*))+)(\w+)\s*\(").unwrap();
let string = "#include <stdio.h>
unsigned int* fun1(void);
double u;
signed
long long
int function1 ( int j, int n);
void main(int) {
int ii;
double jj;
long kk;
}";
// 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/