How to make search similar to NPP?

Question

Python

Good afternoon .
HERE in notepedd ++ there is an opportunity to search by words
How to make it so that such a feature is also displayed on my site.
The search takes place in a text file (it must apparently be uploaded to the site)
And then from this file you need to isolate all the lines with the word Score.
How to do it?

Answer 1

Yes, as you like
, formulate more precisely - you will find out specifically