How to split newline from NSString in ObjectiveC

Question

For my new project. i have loaded my csv file content as a NSString. First, i need to split this by newline, then split each line by comma. How can i loop all this? Could y

Answer 1

Might want to look into NSMutableArray.

// grab your file
NSMutableArray *data = [[fileString componentsSeparatedByCharactersInSet: [NSCharacterSet newlineCharacterSet]] mutableCopy];
for (int i = 0; i < [data count]; i++)
{
    [data replaceObjectAtIndex: i
                    withObject: [[data objectAtIndex: i] componentsSeparatedByString: @","]];
}

Relatedly, Dave DeLong has a proper library to address this need: https://github.com/davedelong/CHCSVParser