title: Validating empty space in class validator
body: <p>I want to validate Address field, it may contains numbers or strings, but it should not accept continioues empty spaces</p>
  
  <p>@IsAlphaNUmereic()
      Address: string;</p>
  
  <p>i want that, Address can be numeric or alphabetic...
  but it should not accepts continues empty spaces</p>