From: Luiz Angelo Daros de Luca <luizluca@...>
Date: 2011-08-11T08:24:35+09:00
Subject: Re: regex position error

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Dear Camargo,

/((^| )[ -']|[^\D'- ]/ or something like this

Try to follow the KISS principle. As a rule of thumb,
when something is getting too much complex, you might be doing it wrong.

Regards,

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     Luiz Angelo Daros de Luca, Me.
            luizluca@gmail.com


2011/8/10 Ryan Davis <ryand-ruby@zenspider.com>

>
> On Aug 10, 2011, at 15:19 , Carlos Camargo wrote:
>
> > I have a regular expression:
> > Regexp.new(/^(\w+([-']\w+)*)(\ \w+([-']\w+)*)+$/)
>
> Regexp.new(regexp) is the same as regexp. Don't wrap in Regexp.new for no
> reason.
>
> > and I need to know the position of a invalid character.
> >
> > For example, if a invalid character is a number, I can recover it using:
> > "gisele bund9chen".index(/\d/)
>
> /\d/ is to /[0-9]/ as /\D/ is to /[^0-9]/
>
> > But, I need generalize the regular expression to find any a character
> > different of \w, space \' and \-.
>
> For more goodies see the regexp section of the ruby quickref.
>

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