为什么我写的这正则表达式只返回true而没有返回我需要的字符窜呢？x_\\w+

[biaowen]

import java.util.regex.*;
public class Test {


public static void main(String[] args) throws Exception {
String html = "<a href=/x_8c514596>北京消息</a></li><li><a href=/x_878fc781>达人";

Pattern expression = Pattern.compile("x_\\w+");
Matcher fitrate = expression.matcher(html);
String allLink = "";
while (fitrate.find()) {
allLink = allLink + fitrate.find() + " - ";
}
System.out.println(allLink);
}
}

[zhaohuihua]

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

public class Test {

	public static void main(String[] args) throws Exception {
		String html = " <a   href=/x_8c514596> 北京消息 </a> </li> <li> <a   href=/x_878fc781> 达人";

		Pattern expression = Pattern.compile("x_\\w+");
		Matcher fitrate = expression.matcher(html);
		String allLink = "";
		while (fitrate.find()) {
			allLink = allLink + fitrate.group() + "   -   ";
		}
		System.out.println(allLink);
	}

}

[zhaohuihua]

fitrate.group()