// 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)^(?=\# ?\d+\.)").unwrap();
let string = "# This is a comment <-beacuse it starts at the begining of the file
# This is a comment <- see above
# 1. Item one <- not a comment because it starts with 1.
# Description of Item 1 <- not a comment as it is after a line that starts with a number
data point 1
data point 2
data point etc
3 <-- represents number of data points under Item one
# 2. Item two <-- not a comment
# Description of item 2 <-- not a comment
data point 1
data point ..
data point 100
100
#3. Item three <--- not a comment
# Item three description
0";
// 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/