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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.util.regex.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9.     Pattern p = Pattern.compile("\\D*(\\d*).*");
  10.     Matcher m = p.matcher("testing123");
  11.     if (m.find()) {
  12.         System.out.println(m.group(1));
  13.     }
  14.  
  15. 	}
  16. }
Success #stdin #stdout 0.02s 245632KB
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Standard input is empty
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123
https://ideone.com/9Ucvjf
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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