Java 使用正则表达式从文件中解析出所有email地址，正则表达式email,package net.

Java 使用正则表达式从文件中解析出所有email地址，正则表达式email,package net.

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);        }    }}//该片段来自于http://byrx.net