How Indexing Works ?

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NSString *str1=@"Hello"; // What is Index of 'H' is it 0 or 1 ?
NSString *str2=@"This is my 2nd string";
NSString *temp;
temp=[str1 substringToIndex:2]; // " substringToIndex " -- what it means upto index
NSLog(@"Substring -- %@",temp); // 2 or from 0 to 1 ??

Posted 27-Feb-12 22:35pm

bhambhu

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E.F. Nijboer · Accepted Answer · 2012-02-27T22:54:00

Solution 1

You might want to have a look at the following link with some good info on this:
http://pw1.netcom.com/~tjensen/ptr/pointers.htm[^]

Good luck!

Posted 27-Feb-12 22:54pm

E.F. Nijboer

Comments

bhambhu 28-Feb-12 5:46am

What i am asking is that if we use " substringToIndex:4 " , then what we get ? we get first 4 character from the string or characters upto the index 4 ?

E.F. Nijboer 28-Feb-12 7:23am

First 4, check the following: http://www.codesnipr.com/snippet/384/Objective-C-Substring-using-substringToIndex-and-substringFromIndex-