Re: NSNumberFormatter not working for me ?
Re: NSNumberFormatter not working for me ?
- Subject: Re: NSNumberFormatter not working for me ?
- From: Greg Guerin <email@hidden>
- Date: Wed, 14 Apr 2010 15:25:34 -0700
Bill Hernandez wrote:
I've worked with lots of number formatters over the years, and that
is what they do, format numbers into strings, any kind of string...
I looked at the header file for NSNumberFormatter, and there seem
to be 9,000,000+ methods, it is amazing. Buried in there, there has
to be a simple way to format a string, that I am overlooking ?
If you look the simple formatter I wrote up last night, it will
format a string digits any way imaginable.
Your code formats strings (more specifically, characters in
strings). It does not format numbers, as such.
By "number" I mean a binary numeric value (floating-point or
integer), or possibly NSNumber or NSDecimalNumber.
All your "number" parameters are actually of the NSString* type, not
of a numeric type. The fact that the string contains digits is
incidental. In a sense, converting a numeric value to NSString* is
already a "formatting" operation, or at least a conversion operation.
Your code would work just as well if you passed it an alphabetic
string, or one containing punctuation marks.
strippedNumber = @"SueMeTomorrow"
format = @"Social Security : ###-##-###"
result = @"Social Security : Sue-Me-Tom"
I'm not saying the digit-string isn't relevant to what you're doing,
only that what you seem to think of as a number is, in fact, a string
that happens to contain a series of digit characters. I think that
was a point an earlier reply was trying to make: NSNumberFormatter is
for numeric values (NSNumber, in particular), not string values that
happen to contain digits.
-- GG
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