Java 使用正则表达式从文件中解析出所有email地址

[java]代码库

package net.oschina.tester;

import java.io.File;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.io.FileUtils;

/**
 * 提取邮件地址
 * @author Winter Lau
 * @date 2010-6-14 下午04:56:15
 */
public class EmailParser {
	
	private final static Pattern emailer = Pattern.compile("[\\w[.-]]+@[\\w[.-]]+\\.[\\w]+");
	
	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		String txt = FileUtils.readFileToString(new File(args[0]));
		//System.out.println(txt);
		Matcher matchr = emailer.matcher(txt);
		while (matchr.find()) {
			String email = matchr.group();
			System.out.println(email);
		}
	}

}
//源代码片段来自云代码http://yuncode.net