Oddly enough, using regular expression:
works. It requires that the N O be followed by the period, and in any instance where it is you get Number. There is an issue, though, if no is at the very end of a sentence. I can't seem to find a way to effectively say, "but not at the end of a sentence," at least not yet.
Brian - Windows 10 Pro, 64-Bit, Version 1903, Build 18362
The color of truth is grey.
~ André Gide