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  1. public class Main {
  2.        public static void main(String [] args) {
  3.            String str = "They say 2 + 2 is 4!!";
  4.            System.out.println(str);
  5.            str = str.replaceAll("[^a-zA-Z]"," " );
  6.            System.out.println(str);
  7.        }
  8. }
Success #stdin #stdout 0.02s 245632KB
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Standard input is empty
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They say 2 + 2 is 4!!
They say       is
https://ideone.com/Ra2i1r
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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