From: tamouse mailing lists <tamouse.lists@...>
Date: 2012-12-22T22:30:35+09:00
Subject: Re: A stupid question?

On Sat, Dec 22, 2012 at 7:17 AM, tamouse mailing lists
<tamouse.lists@gmail.com> wrote:
> n Fri, Dec 21, 2012 at 9:56 AM, Brian Candler <lists@ruby-forum.com> wrote:
>> Al Baker wrote in post #1089770:
>>> I'm trying to find a way to count the consonants in a sentence. how
>>> would i go about that? i tried to use length - [aeiou]. but never got
>>> the result i was looking for
>>
>>>> str = 'Hello, world!?'
>>>> str.scan(/[a-df-hj-np-tv-z]/i).size
>> => 7
>>>> str.gsub(/[^a-df-hj-np-tv-z]/i,'').size
>> => 7
>
> (a is a vowel...)
>
> I'd suggest this:
>
>  > s = 'Helloooo my wonderfuuuuul peeeopulllaaaa. IIII am come!!'
>  => "Helloooo my wonderfuuuuul peeeopulllaaaa. IIII am come!!"
>  > s.scan(/[^aeiou]+/i).join('')
>  => "Hll my wndrfl pplll.  m cm!!"
>  > s.scan(/[^aeiou]+/i).join('').size
>  => 28

... and that counts non-alphas.

s.scan(/[[:alpha:]]+/i).join.scan(/[^aeiou]+/i).join.size