Unable to select text in Notes on my MacBook Pro. Only drag or highlight a single row

Interesting, if I understand this question correctly.

I can select any text in Notes and manipulate any text on multi-lines of text

Running Ventura 13.1 and your computer is running which version ?

Sometimes a >>

1 - Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal.

2 - Safe Mode will also eliminate Third Party Software, extensions and drivers from loading 

3 - Does the issue present in this mode ?

4 - Sometimes a Safe Boot followed by a Normal Boot will just put things right.

Refer to image below

I cannot reproduce this problem.

Did you try restarting your mac? It may be a one-off thing.

If it persists, try restarting in Safe Mode, and testing. Same problem?

Restart normally again. Is it fixed?