Case insensitive String split() method

Question

When I perform

String test=\"23x34 \";
String[] array=test.split(\"x\"); //splitting using simple letter

I got two items in array as 23 and

Answer 1

split uses, as the documentation suggests, a regexp. a regexp for your example would be :

"[xX]"

Also, the (?i) flag toggles case insensitivty. Therefore, the following is also correct :

"(?i)x"

In this case, x can be any litteral properly escaped.