I cannot get the String split method to work properly

Question

I am trying to split a String from an array into multiple Strings, before and after the "^". I used the String split method, but it is just storing the whole String in the first value of the array.

Output: b[0]= x^2 Expected: b[0] = x , b[1] = 2

Here is the code:

public class test { public static void main(String[] args) { String a[] = {"x^2"}; String b[] = a[0].split("^"); System.out.println(b[0]); } }

Elliott Frisch · Accepted Answer · 2019-08-21 01:19:43Z

Caret ^ is a special character in a regular expression meaning beginning of the String, escape it with \. Like,

String a[] = {"x^2"}; String b[] = a[0].split("\\^"); System.out.println(b[0]);

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