a regex question from the B SCJP 6 book

[Amelia Ma]

import java.util.regex.*;
class Regex2{
	public static void main(String[] args) {
		Pattern p = Pattern.compile(args[0]);
		Matcher m = p.matcher(args[1]);
		boolean b = false;
		while(b = m.find()) {
			Sstem.out.print (m.start() + m.group());
			}	
	}
}

And the command line: java Regex2 "\d*" ab34ef

answer is 01234456

where is the 6 come from?!

this is a problem from the KB scjp 6 book, chapter6, page 515, problem 1.

thank!

[Deepak Bala]

Search this forum for the answer. This question was asked many times before and there are many discussions related to it

[Amelia Ma]

Deepak Bala wrote:Search this forum for the answer. This question was asked many times before and there are many discussions related to it

what key word should I use? thanks a lot!

[Ankit Garg]

This question is in the FAQ. Searching for "ab34ef" or "Regex2" will give you a lot of previous discussions...