This forum is awesome!

Just like the title says, I need a solution to delete words from text only if text in over certain amount of characters.

Say I only wanted the contents of the cell to be 68 characters long.

Example: This forum is freakin awesome and whoever figures this out is the sh!t

The above example is a total of 70 characters. The desired result would be the following:

Result: This forum is freakin awesome and whoever figures this out is the

The result deleted the entire last word to make the quantity of characters fall below 68 avoiding any half spelled words being left behind.

Hope this makes sense, let me know if you need further clarification.

Thanks!