From: Mark Thomas <mark@...>
Date: 2009-07-14T21:10:05+09:00
Subject: Re: a regex that does not contain comma

On Jul 14, 4:25 am, Sijo Kg <s...@maxxion.com> wrote:
> Hi
>   Thanks for the reply..And I tried in the rails project like
>
> validates_format_of :name, :with => /((?>\w+\s*(?=,))+)/
>
>          And what I expect is if name has a comma anywhere validation
> fails .Could you please tel how to get that?

One way: in your active record model:

def validate
  errors.add(:name, "has invalid format") if name.include? ","
end

Seems easier to read.