使用java正则表达式提取文本中所有邮箱地址

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+?.com");
     
    /**
     * @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);
        }
    }
 
}

转自：http://www.oschina.net/code/snippet_12_544