How to use String.split with "[" separator?

[Rogerio Kioshi]

Hello,

If I have a string like this:
String str="AAAA[BBB[CCC";

And I want to split it in an array:
item[0]="AAAA"
item[1]="BBB"
item[2]="CCC"

How do I do it?

I'm trying
String item[]=str.split("[")

but it's not working...

Seems to be very simple but I don't know. Very shamed!

[Henry Wong]

Try...

  String item[]=str.split("\\[") 

Henry

[Rogerio Kioshi]

Thank you.

(Javadoc API 5 does not explain this very well...)

[Rob Spoor]

Yes it does.

The 1-argument split method links both to the 2-argument split method and Pattern. Moreover, the 2-argument split method not only links to Pattern, but to Pattern.compile in particular. On the first line there's a link to the regular expression summary.

On that last page (part of Pattern), it is clearly mentioned that:
a) [ is used with ] for a set
b) \ is used as escape character, and needs to be duplicated

Now clearly, after seeing just "[" fail, you could have tried it with "\\[" ?