From: Jeremy Tregunna <jtregunna@...>
Date: 2006-07-22T05:35:28+09:00
Subject: Re: Newbie Question: delete all non alphanumeric characters


On 21-Jul-06, at 4:19 PM, Tom Werner wrote:

> dominique.plante@gmail.com wrote:
>> for fun, I started irb, then typed
>>
>> "567576hgjhgjh&**)".gsub(/^[0-9a-z]/i, '')
>>
>> It returned
>>
>> 67576hgjhgjh&**)
>>
>>
>
> The carat goes inside the brackets (it inverses the character class)

And it should look like this:

"567576hgjhgjh&**)".sub(/[^0-9a-zA-Z]+/i, '')

Note the +

> Tom

--
Jeremy Tregunna
jtregunna@blurgle.ca


"One serious obstacle to the adoption of good programming languages  
is the notion that everything has to be sacrificed for speed. In  
computer languages as in life, speed kills." -- Mike Vanier