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  1. class Ideone {
  2. public static void main (String[] args) {
  3.     String str = "Order Number: 1509596 Customer Number: 8";
  4.     String firstNumber = str.replaceAll("^\\D*(\\d+).*", "$1");
  5.     System.out.println(firstNumber);
  6. }
  7. }
Success #stdin #stdout 0.1s 42788KB
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Standard input is empty
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1509596
https://ideone.com/lkggQq
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
secret

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