ZeroOrMoreQuantifier

[meeta gaur]

import java.util.regex.Matcher;
import java.util.regex.Pattern;
class ZeroOrMoreQuantifier 
{
	public static void main(String[] args) 
	{
		Pattern p=Pattern.compile("a*");
		Matcher m=p.matcher("aa a aa abc");
		while(m.find()){
			System.out.println(m.start()+"\t"+m.group());
		}
	}
}

0 aa
2
3 a
4
5 aa
7
8 a
9
10
11


I'm wondering!! What is 11th position ?

[Matthew Brown]

11th position is after the final character of the string. If you've got a regular expression that can be matched by an empty string then it will find a match at the end as well.