How to use NSScanner?

Question

I\'ve just read Apple\'s docu of NSScanner. I\'m trying to get the integer of that string: @\"user logged (3 attempts)\".

I can\'t find any example, how to scan with

Answer 1

NSScanner is a linear scanner. You have to scan through the stuff you don't want to get to what you do want.

You could do [aScanner scanUpToCharactersInSet:[NSCharacterSet decimalDigitCharacterSet] intoString:NULL] to jump past everything up to the number character. Then you do [aScanner scanInteger:&anInteger] to scan the character into an integer.