Notepad doesn't support wildcards (let alone regular expressions) in its text substitution process.
So, no, there is no easier and/or faster way than emitting 3 instructions.
If you're allowed to look into alternatives, you might be able to achieve what you're looking for by using the free text editor Notepad++. Here I made a quick example that uses a simple regular expression
Test\d to match the lines in that file.
Then I just click Replace All and removed all occurrences in one go:
I hope that's what you're looking for.
For completeness sake, this is the regular expression which I sent you via email to match your