From: 7stud -- <bbxx789_05ss@...>
Date: 2007-11-02T14:05:19+09:00
Subject: Re: Can't get my regexp to work to test if numerical

Feng Tien wrote:
> alright, this seems easy enough.
> 
> Building a Bank class, deposits must be floating, so if it has any
> letters, it will tell the user it needs numbers
> 
> 
>          if amount == /^[0-9]$/
>          deposit_to_acct(amount,current_account)
>          puts 'You have deposited ' + amount.to_s
> 
>           else
>           puts 'Must be a number, alphabet bank is next door to your
> right'
> 
>         end

1) The pattern /^[0-9]$/ matches one digit.

2) amount would have to be a regex object to == the regex on the right.

if 'abc' == /abc/
  puts 'yes'
else
  puts 'no'
end

regex_obj = /abc/

if regex_obj == /abc/
  puts 'yes'
else
  puts 'no'
end

--output:--
no
yes
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