Java-Get Indexes

Get Indexes

You can obtain the index within the input sequence of the current match by calling start( ) method. The index one past the end of the current match is obtained by calling end( ) method.

Program

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

public class Javaapp {
  
    public static void main(String[] args) {
        
        Pattern pat = Pattern.compile("Java");
        Matcher mat = pat.matcher("Java6Java7Java8");
        
        int i = 0;
        while(mat.find())
        {
            i++;
            System.out.println(i+"th subsequence intex : "+mat.start()+"-"+mat.end());
        }
    }
}