TexPad is creating it. I know that it is under some deadkey. I just cannot remember it is name.
The blue character:
I just want to mass remove them from my document.
How can you type it?
It is known as carriage return.
If you're using
Inserting 0x0D in a hex editor will do the task.
How to remove?
You can remove it using the command
As the OP suggested in the comments of this answer here, you can even try a
As @steeldriver suggests in the comments, after opening the vim editor, press esc key and type
As Ramesh notes, CTRL+V CTRL+M should get you the literal character - though you're not limited to doing this only in
...might do the job.