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  1.     import java.util.*;
  2.     import java.lang.*;
  3.     import java.util.regex.*;
  4.     class Main {
  5.     	public static void main(String[] args) {
  6.     		String input1 = "Request ECUReset for [*11 01]";
  7.     		String output1 = getBracketValue(input1);
  8.     		System.out.println(input1 + " --> " + output1);
  9.  
  10.     		String input2 = "Request ECUReset for [*11]";
  11.     		String output2 = getBracketValue(input2);
  12.     		System.out.println(input2 + " --> " + output2);
  13.  
  14.     		String input3 = "Request ECUReset for [*11 01 10]";
  15.     		String output3 = getBracketValue(input3);
  16.     		System.out.println(input3 + " --> " + output3);
  17.     	}
  18.     	private static String getBracketValue(String input) {
  19.     		Matcher m = Pattern.compile("(?<=\\[\\*)[^\\]]*(?=\\])").matcher(input);
  20.     	    if (m.find()) {
  21.     	    	return m.group();
  22.     	    }
  23.     		return null;
  24.     	}
  25.     }
Success #stdin #stdout 0.07s 380160KB
comments (?)
stdin 
Standard input is empty
stdout 
Request ECUReset for [*11 01] --> 11 01
Request ECUReset for [*11] --> 11
Request ECUReset for [*11 01 10] --> 11 01 10
https://ideone.com/Xy9Emq
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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