How Can i get data from the file in the documents folder

i am new to xcode and objective c.

firstly i have created a file in documents directory and it is created and now what i need is how can i read the data from that file like whether the file is containing a particular string or not

How can i get that

How do I access My Documents folder?

Search File Explorer: Open File Explorer from the taskbar or right-click on the Start menu, choose File Explorer and then select a location from the left pane to search or browse. For example, select This PC to look in all devices and drives on your computer, or select Documents to look only for files stored there.

What is stored in the Documents folder?

The My Documents folder is a component of the user profile that is used as a unified location for storing personal data. By default, the My Documents folder is a folder in the user's profile that is used as a default storage location for saved documents.

You can follow my answer here, saving and retrieving plist files

Array from File in XCode