Find the starting point of the second subgroup : Group « Regular Expressions « Java






  1. Java
  2. Regular Expressions
  3. Group

Find the starting point of the second subgroup



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

public class Main {
  public static void main(String args[]) {
    Pattern p = Pattern.compile("t(est)");
    String candidateString = "This is a test. This is another test.";

    Matcher matcher = p.matcher(candidateString);

    matcher.find();
    int startIndex = matcher.start(0);
    System.out.println(candidateString);
    System.out.println(startIndex);

  }
}








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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
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