500. Keyboard Row (E)

Given a List of Words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below.

Example 1:

Input: ["Hello", "Alaska", "Dad", "Peace"]Output: ["Alaska", "Dad"]
Note:
You may use one character in the keyboard more than once.You may assume the input string will only contain letters of alphabet.
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My Rex Solution:
public class Solution {    public String[] findWords(String[] words) {        List<String> data=new ArrayList<String>();        for(String s:words){            if(s.toLowerCase().matches("([qwertyuiop]+)|([asdfghjkl]+)|([zxcvbnm]+)"))                data.add(s);        }        String[] re=new String[data.size()];        for(int i=0;i<data.size();++i)            re[i]=data.get(i);        return re;        }}