I wanted to know how to use "[", "]" symbols in regex, I am getting compile time error. Could anyone help me?

I have to split a string which holds "[", "]" symbols in java, but getting compile time error

```
String strng = "[11 11] 2000";
String ready[] = strng.split("[] ");

```

> 
> Compile time error : Unclosed character class;
> 
> 
>