java 正则验证手机号码

public static boolean validateMoblie(String phone) {
   int l = phone.length();
   boolean rs=false;
   switch (l) {
   case 7:
    if (matchingText("^(13[0-9]|15[0-9]|18[7|8|9|6|5])\\d{4}$", phone)) {
     rs= true;
    }
    break;
   case 11:
    if (matchingText("^(13[0-9]|15[0-9]|18[7|8|9|6|5])\\d{4,8}$", phone)) {
     rs= true;
    }
    break;
   default:
    rs=false;
    break;
   }
   return rs;
}
private static boolean matchingText(String expression, String text) {
   Pattern p = Pattern.compile(expression); // 正则表达式
   Matcher m = p.matcher(text); // 操作的字符串
   boolean b = m.matches();
   return b;
}
public static void main(String[] args) {
   System.out.println(validateMoblie("13556898956"));
}