| 1 | pub fn reformat_number(number: String) -> String { |
| 2 | let tmp = number.replace("-", "").replace(" ", ""); |
| 3 | let mut tmp_arr: Vec<_> = vec!(); |
| 4 | for i in (0..tmp.len()).step_by(3) { |
| 5 | let mut tail = i+3; |
| 6 | if tail > tmp.len() { |
| 7 | tail = tmp.len(); |
| 8 | } |
| 9 | tmp_arr.push(&tmp[i..tail]); |
| 10 | } |
| 11 | let mut tmp_s = String::new(); |
| 12 | if tmp_arr.len() >= 2 && tmp_arr[tmp_arr.len()-1].len() == 1 { |
| 13 | tmp_s.push_str(tmp_arr[tmp_arr.len()-2]); |
| 14 | tmp_s.push_str(tmp_arr[tmp_arr.len()-1]); |
| 15 | tmp_arr.pop(); |
| 16 | tmp_arr.pop(); |
| 17 | tmp_arr.push(&tmp_s[0..2]); |
| 18 | tmp_arr.push(&tmp_s[2..4]); |
| 19 | } |
| 20 | tmp_arr.join("-") |
| 21 | } |
| 22 | |
| 23 | fn main() { |
| 24 | let number = "9964-".to_string(); |