You can try below method for this. The parameter "plistString" is the original string read from plist file and "separator" is the string used as separator to divide the string.
-(NSArray*) componentsInString:(NSString*)plistString separatedBy:(NSString*)separator{
if (separator == nil)
return nil; // Choose if you want to return nil or return an array with plistString object.
NSArray *components = [plistString componentsSeparatedByString:separator]; // separator can't be nil else an unhandled exception is raised by NSString class.
return components;
}