Modified text box output from a text box input's word count

Here's the situation:

I have two text box objects. One called "Input", and one called "Output". I want the "Output" text to be the "Input" text, except I want it to insert "&newline&" after a variable amount of characters. Let's say 44 for example.

So while the input box would read: "The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.", the Output box would read: "The quick brown fox jumps over the lazy dog."&newline&" The quick brown fox jumps over the lazy dog."

This is ideally to be a tool to assist a dialogue system that I am working on. I feel like it can be done, but I'm just not familiar with that level of functionality. If you have any ideas, please let me know. Thank you.

You can insert newline after 44 characters using left() and right() expressions, but what if next line of dialog needs to have newline at a different position, or two newlines?

Here is much easier solution - mark line breaks with some unused symbol, for example "^":

Input set Text to "The quick brown fox jumps over the lazy dog.^The quick brown fox jumps over the lazy dog.^The end."

Then use this code to replace ^ with newlines:

Output set Text to replace(Input.text, "^", newline)