Find group number 1 of the second find : Group « Regular Expressions « Java






  1. Java
  2. Regular Expressions
  3. Group

Find group number 1 of the second find

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

public class Main {
  public static void main(String[] argv) throws Exception {

    Pattern p = Pattern.compile("t(est)");
    String candidateString = "This is a test. This is a test.";
    Matcher matcher = p.matcher(candidateString);
    matcher.find();
    String group_0 = matcher.group(0);
    String group_1 = matcher.group(1);
    System.out.println("Group 0 " + group_0);
    System.out.println("Group 1 " + group_1);
  }
}








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5.Using appendReplacement with Subgroup Replacements
6.Working with Groups: characters and digits
7.Working with Subgroups
8.Capturing Text in a Group in a Regular Expression
9.Getting the Indices of a Matching Group in a Regular Expression
10.Using a Non-Capturing Group in a Regular Expression
11.Using the Captured Text of a Group within a Pattern
12.Using the Captured Text of a Group within a Replacement Pattern