Matcher ground count : Matcher « Regular Expressions « Java

1. Java
2. Regular Expressions
3. Matcher

Matcher ground count

   

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class NonCapturingGroupExample {
  public static void main(String args[]) {
    String regex = "hello|hi|greetings|(?:good morning)";

    String candidate1 = "Java2s say hi to you";
    String candidate2 = "Java2s say good morning to you";
    Pattern pattern = Pattern.compile(regex);

    Matcher matcher = pattern.matcher(candidate1);
    System.out.println("GROUP COUNT:" + matcher.groupCount());

    if (matcher.find())
      System.out.println("GOT 1:" + candidate1);

    matcher.reset();
    matcher = pattern.matcher(candidate2);

    System.out.println("GROUP COUNT:" + matcher.groupCount());

    if (matcher.find())
      System.out.println("GOT 2:" + candidate2);
  }
}

           
         
    
    
  

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