From: Han Holl <han.holl@...>
Date: 2005-04-07T18:29:42+09:00
Subject: Re: Regular expression mismatch ?

On Apr 7, 2005 10:05 AM, Brian Candler <B.Candler@pobox.com> wrote:
> And so it's worth pointing out that in Ruby you should write:
> 
>     str.untaint if str =~ /\A[a-z0-9]*\z/     # good
> 
> and not:
> 
>     str.untaint if str =~ /^[a-z0-9]*$/       # HIGHLY DANGEROUS
> 
> It means that these sorts of regexp are a bit less readable than Perl's.
> 
> Regards,
> 
> Brian.
> 
>
Which leaves the question: what is the meaning if the m suffix in ruby ?
It would seem that multi-line is on by default, with no means to switch it off.

Ruby should not be different from the other RE engines with no good reason.

Cheers,

Han Holl