android 邮件地址正则表达式

Java代码 
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();  
}