text: ## DeleteCases
  
  ```
  DeleteCases(list, pattern)
  ```
  > returns the elements of `list` that do not match `pattern`.
  
  ### Examples
  ```
  >> DeleteCases({a, 1, 2.5, "string"}, _Integer|_Real)
  {a,"string"}
   
  >> DeleteCases({a, b, 1, c, 2, 3}, _Symbol)
  {1,2,3}
  ```