Validation::notEmpty PHP Method

    public static function notEmpty($value)
    {
        return (bool) preg_match('/[^\\s]+/m', $value);
    }

 /**
  * testNotEmpty method
  *
  * @access public
  * @return void
  */
 function testNotEmpty()
 {
     $this->assertTrue(Validation::notEmpty('abcdefg'));
     $this->assertTrue(Validation::notEmpty('fasdf '));
     $this->assertTrue(Validation::notEmpty('fooo' . chr(243) . 'blabla'));
     $this->assertFalse(Validation::notEmpty("\t "));
     $this->assertFalse(Validation::notEmpty(""));
 }