From: Logan Capaldo <logancapaldo@...>
Date: 2006-06-02T06:11:10+09:00
Subject: Re: Parsing a string using multiple regexs


On Jun 1, 2006, at 12:13 AM, Jeff Pritchard wrote:

> Thanks Ezra,
> I was sure I would learn something by attempting an answer.  I learned
> several somethings:
>
> tags << next answer
> (cleaner than using subscripts)
>
> input.gsub!(/\"(.*?)\"\s*/ ) { tags << $1; "" }
> (remove the stuff you find as you find it - brilliant!)
>
> /\"(.*?)\"\s*/
> (don't forget to escape the quotes and use ? to make .* less greedy)
>
> # replace all commas with a space
> (if you can't get there from here, go someplace else first!)
>
> tags.concat input.split(/\s/)
> (another cool way to shove some more answers into the answer array)
>
> # strip whitespace from the names
>>      tags.map! { |t| t.strip }
> (instead of making the regexp more complicated, do it simply and then
> clean up the results)
>
> # delete any blank tag names
>>      tags = tags.delete_if { |t| t.empty? }
> (yet another iterator I never heard of before)
>
>
>  def parse_tags(input)
>  ...
> end
> (modularize everything as you go!)
>
>
> P.S. Ezra, thanks for recommending RimuHosting, they've been great!
>
> best,
> jp
>
>

I must say this has to be the best breakdown of someone else's ruby  
code I've ever seen. Maybe you should do a ruby-quiz summary sometime.


> Ezra Zygmuntowicz wrote:
>> On May 31, 2006, at 4:06 PM, web mail wrote:
>>
>>>
>>> I desperately need help. Anyone ?
>>>
>>> Thanks,
>>>
>>> Jason
>>>
>>> -- 
>>> Posted via http://www.ruby-forum.com/.
>>>
>>
>>
>>    def parse_tags(input)
>>      tags = []
>>      # pull out the quoted tags
>>      input.gsub!(/\"(.*?)\"\s*/ ) { tags << $1; "" }
>>      # replace all commas with a space
>>      input.gsub!(/,/, " ")
>>      # get whatever's left
>>      tags.concat input.split(/\s/)
>>      # strip whitespace from the names
>>      tags.map! { |t| t.strip }
>>      # delete any blank tag names
>>      tags = tags.delete_if { |t| t.empty? }
>>      return tags
>>    end
>>
>>
>> -Ezra
>
>
> -- 
> Posted via http://www.ruby-forum.com/.
>