Function search

crates/stdlib/src/re.rs:110–119

(
        pattern: PyStrRef,
        string: PyStrRef,
        flags: OptionalArg<usize>,
        vm: &VirtualMachine,
    )

    #[pyfunction]
    fn search(
        pattern: PyStrRef,
        string: PyStrRef,
        flags: OptionalArg<usize>,
        vm: &VirtualMachine,
    ) -> PyResult<Option<PyMatch>> {
        let flags = extract_flags(flags);
        let regex = make_regex(vm, pattern.as_str(), flags)?;
        Ok(do_search(&regex, string))
    }

    #[pyfunction]
    fn sub(