D versus Objective C Comparison

[Michel Fortin]

On 2009-02-04 01:36:59 -0500, Chris R Miller 
<lordsauronthegreat at gmail.com> said:

> Unfortunately, they aren't in sequential order in the ASCII table, so 
> it's not as simple as determining if char c is numeric:
> 
> if ( c > '0' && c < '9' ) // c is numeric
> 
> Therefore, it's useful for searching quickly, without getting into the 
> potential mess that could be a regular expression search.  Well, I'm 
> sure for a lot of people it'd be shorter and more concise, but my 
> relative ineptitude with regular expressions would make it far more 
> bothersome for me.  Am I here to write a language, or to teach myself 
> regular expressions?

Perhaps it's offtopic in a D forum, but you should use the class 
NSCharacterSet for that if you want to be efficient. There's a couple 
of methods in NSString accepting NSCharacterSet too which you may be 
interested in if you're writing a parser.


-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/