From: Banzai <noemail@...>
Date: 2007-06-18T13:10:10+09:00
Subject: Re: Parsing strings

On 2007-06-17 22:58:18 -0500, Dan German <germans88@yahoo.com> said:

> Tim Hunter wrote:
>> Dan German wrote:
>>> One problem, the substring contains a ?, and is left in the resultant
>>> string
>>> 
>>> 
>> It would help if you'd show an actual string you have and what you'd
>> like it to become. If you have two examples, even better.
> 
> It's actually a youtube url: ex.
> http://www.youtube.com/watch?v=OY8AIhbqPHo
> I'm trying to remove the watch? string; the slice method works, but it
> would be better if you could use something like gsub

gsub(/\?.*$/,'') will delete the first question mark until the end of 
the string.

irb(main):001:0> url = "http://www.youtube.com/watch?v=OY8AlhbqPHo"; 
url.gsub(/\?.*$/,'')
http://www.youtube.com/watch
=> nil
irb(main):002:0> str="a?b?c"; str.gsub(/\?.*$/,'')
=> "a"

-- 
H. Asari