On Tue, Nov 23, 2021 at 11:51 AM Shaozhong SHI <shishaozhong(at)gmail(dot)com>
wrote:
> I tried nested regex '[[A-Z][a-z] ]+[[A-Z][a-z]]' but it did not work.
>
[A-Z][a-z]+ +[A-Z][a-z]+
will match 'Hello World', but not 'Hello world'. Is that what you want?
Try this instead
[A-Za-z]+ +[A-Za-z]+
And try also this editor to learn regex
https://regex101.com/
./hans