正则表达式匹配(xxx)xxx-xxxx 电话格式

[java]代码库

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 匹配(xxx)xxx-xxxx 电话格式
 * 
 */
public class Demo {
	public static void main(String[] args) throws IOException {
		BufferedReader in;
		Pattern pattern = Pattern.compile("\\(\\d{3}\\)\\s\\d{3}-\\d{4}"); // 匹配(xxx)xxx-xxxx
																			// 电话格式
		in = new BufferedReader(new FileReader("phone"));
		String s;
		while ((s = in.readLine()) != null) {
			Matcher matcher = pattern.matcher(s);
			if (matcher.find()) {
				System.out.println(matcher.group());
			}
		}
		in.close();
	}
}