find the starting point of the first subgroup : Group « Regular Expressions « Java

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Java » Regular Expressions » Group

find the starting point of the first 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);



    int nextIndex = matcher.start(1);

    System.out.println(candidateString);

    System.out.println(nextIndex);



  }

}

Related examples in the same category

1.	Find the starting point of the second subgroup
2.	Matcher.group(int) Method Example
3.	Find group number 1 of the second find
4.	Matcher Group Count
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

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