java 验证邮箱格式正确性

public class RegisterCheck { /** * 验证输入的邮箱格式是否符合 * @param email * @return 是否合法 */public static boolean emailFormat(String email) { boolean tag = true; final String pattern1 = "^([a-z0-9A-Z]+[-|//.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?//.)+[a-zA-Z]{2,}$"; final Pattern pattern = Pattern.compile(pattern1); final Matcher mat = pattern.matcher(email); if (!mat.find()) { tag = false; } return tag; }}