// 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)(?<=\{)(?=.*?\"t\"\s*:\s*2).*?(?=\})"#).unwrap();
let string = "{\"location\":[22.99902,66.000],\"t\":1},
{\"location\":[55.32168,140.556],\"t\":2},
{\"location\":[85.0002,20.0055],\"t\":3},
{\"location\": [4, 4], \"smth\": val, \"t\":2},
{\"t\": 2, \"location\": [value2], \"something else\": some_value}";
// 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/