How to determine a match between 2 JSONs?

I have two data sources, and both of them return JSONs. I want to ensure that there is some perce开发者_运维百科ntage of match (overlap of data, if you will) in the two JSONs, so as to collate them a

Replace part of text in a dynamic string

Let’s take this string has an example: D:/firstdir/Another One/and 2/bla bla bla/media/reports/Darth_Vader_Report.pdf

我最喜欢一本书的理由是什么歌？