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  1. import java.util.*;
  2. class Ideone {
  3. 	public static void main (String[] args) {
  4. 		System.out.println(Arrays.toString(
  5.           "2+3*i + 1-4*i + -2*i".split("(\\*i)? *((?<=\\d)(?=-)|-(?!\\d)|\\+|$) *")));
  6.         System.out.println(Arrays.toString(
  7.           "2+3*i - 1-4*i - -2*i".split("(\\*i)? *((?<=\\d)(?=-)|-(?!\\d)|\\+|$) *")));
  8.     }
  9. }
Success #stdin #stdout 0.08s 33840KB
comments (?)
stdin 
Standard input is empty
stdout 
[2, 3, 1, -4, -2]
[2, 3, 1, -4, -2]
https://ideone.com/FoJUKf
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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