How to match end of the input using Java RegEx?

You can match the end of the input using the meta character “\z”.

Example

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
   public static void main(String args[]) {
      //Reading String from user
      System.out.println("Enter a String");
      Scanner sc = new Scanner(System.in);
      String input = sc.nextLine();
      String regex = "[0-9]\z";
      //Compiling the regular expression
      Pattern pattern = Pattern.compile(regex);
      //Retrieving the matcher object
      Matcher matcher = pattern.matcher(input);
      int count = 0;
      if(matcher.find()) {
         System.out.println("Match found ");
      } else {
         System.out.println("Match not found ");
      }
   }
}

Output 1

Enter a String
sample text
Match not found

Output 2

Enter a String
sample text 23
Match found

Maruthi Krishna

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Updated on: 19-Nov-2019

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