General doubt regarding string matching concept

#1

I have only completed the course of C++ Launchpad till sorting and searching. But i encountered a question on one of the websites that used string finding in it. So should i do this content now or should i complete the rest of the course content and then learn KMP and Rabin-Karp

#2

it depend on you if you want to do it now you can .
but i suggest you to do it later it help you and you can learn and understand it better