It is currently not possible to evaluate a text string in a conditional statement. You can have a conditional statement report a text string, but not check text and base a condition on it.
via | Help with If then statement

For the very best resource on Revit Formulas, go to:

Sometimes you may have trouble using a DWG that contains ‘points’ to create a Revit topography.

There are two main ways around this.

Here is a LISP routine to export points in a DWG to CSV file: 

These points can then be imported when making a Revit topography by selecting ‘Specify Points File’ on the Ribbon.

via | Topo point does not import?

Alternatively, you can Replace the points with some other object that Revit will make use of more easily (for instance, a block with some very short lines).  To do this, use the ‘RP’ LISP routine from the following post:
Re: Replace point with block/object – Autodesk Discussion Groups

Dear User,

Recently was the victim of a hacker who was able to successfully bypass the security measures we had in place.  After discovering this security breach, we moved as quickly as possible to isolate and contain the problem.   In order to best protect the server from additional harm and perform a full security examination, it was necessary to temporarily take RevitCity offline.

In order to protect your own privacy, it is always a good idea to change your password as frequently as possible.  Although all passwords are protected using an advanced one-way encryption method, it is technically possible that your password was compromised during the security breach, especially if the password is a word that can be found in the dictionary.  Therefore, we encourage you to change your password as soon as possible.  You may change your password by logging in, and then clicking “Edit User Profile” under Member Options.  Alternatively, you may elect to have a randomly generated new password sent to you by going to:

Despite our best efforts to protect the community from this kind of attack, it nevertheless is a common risk we take by providing a valuable sharing platform, and you take by becoming a member.  Although we cannot guarantee that this will not happen again, we have made extensive security upgrades to the system.

We are amazed at the resiliency and support of our members who, during the short time the website was down, began helping each other on our Facebook page.  For this reason we endeavor to keep running well into the future.

All the best,
Hiroshi & Jeremy Jacobs

(received via email)