android 邮件地址正则表达式

  public static boolean isEmail(String strEmail) 
  { 
    String strPattern = "^[a-zA-Z][\\w\\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\\w\\.-]*[a-zA-Z0-9]\\.[a-zA-Z][a-zA-Z\\.]*[a-zA-Z]$"; 
    Pattern p = Pattern.compile(strPattern); 
    Matcher m = p.matcher(strEmail); 
    return m.matches(); 
  }