Valid Number @LeetCode

package Level2;  
  
/** 
 * Valid Number 
 *  
 *  Validate if a given string is numeric. 

Some examples: 
"0" => true 
" 0.1 " => true 
"abc" => false 
"1 a" => false 
"2e10" => true 
Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before implementing one. 


 * 
 */  
public class S65 {  
  
    public static void main(String[] args) {  
  
    }  
  
    public boolean isNumber(String s) {  
        if(s.trim().isEmpty()){  
            return false;  
        }  
        String regex = "[-+]?(\\d+\\.?|\\.\\d+)\\d*(e[-+]?\\d+)?";  
        if(s.trim().matches(regex)){  
            return true;  
        }else{  
            return false;  
        }  
    }  
}