From: Jay Pangmi <jaeezzy@...>
Date: 2008-08-24T17:50:25+09:00
Subject: Re: setting date format to validate date in ruby

Thomas B. wrote:
> You can have a look at this post: 
> http://al2o3-cr.blogspot.com/2008/08/downloading-file.html . There's 
> date validation in it, in the very general form, working with any 
> separator and any number of digits. It uses scanning for digit groups.
> 
> TPR.

wow.. man that was cool, specially for the beginner like me. Thanks a 
tonn. Anyway, I figured one solution out for me here's the code:
================================================================================
for mydate in dateArray
   if %r{(\d{1,2})/(\d{1,2})/(\d{4})} =~ mydate or
     %r{(\d{1,2}):(\d{1,2}):(\d{4})} =~ mydate or
     %r{(\d{1,2}) (\d{1,2}) (\d{4})} =~ mydate
     mday, month, year = $1.to_i, $2.to_i, $3.to_i
     if Date.valid_civil?(year,month,mday)
       #virtualArray << mydate
       puts "Valid Date: " << mydate
     else
       puts "Invalid Date: " << mydate
     end
   end
 end
================================================================================
One really cool thing about Date.valid_civil? is that it return false 
even if the date doesn't exist in the calender no matter how right the 
format is.
Now what is bothering me is the logic to sort out the dates in the 
array. I tried the simplest way "Array.sort" but it only sorted the 
array according to the first value it sees not the whole date. How can I 
sort it out. Thanks

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