Getter actual combat geTx tool class encapsulation -getutils

In the development process, we often define various Utils class , Used as a common auxiliary tool ,GetUtils yes getx Provide us with some common tool class libraries , It provides some common methods , Avoid our secondary development , Such as through GetUtils We can use it to determine whether the parameter is a picture , Whether it is word, Whether it is excel, Whether it's audio , Is it a picture , E-mail, mobile phone number, etc .
This blog post is an essay , Mainly to remind yourself , In the process of later development, even if it is not applicable GetX frame , You can also separate GetUtils Copy to your own project to use , Because it provides so many useful functions .

1、 For example, judge whether the string is the same character ：

Example: 111111 -> true, wwwww -> true, 1,1