From: "Gennady F. Bystritsky" <gfb@...>
Date: 2002-12-04T01:34:44+09:00
Subject: Re: Regular expression question

Well, Ruby regexps are not VI regexps. Look similar to some extend, but
still different. VI implements BRE, and Ruby is closer to ERE (like in awk,
egrep, etc.). Plus a lot of other nice features.

----- Original Message -----
From: "Roman Rytov" <rrytov@entopia.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Tuesday, December 03, 2002 8:28 AM
Subject: Re: Regular expression question


My pattern works fine in VI. Back slash before (,) and | is needed to
assign special meaning to them.

> -----Original Message-----
> From: Shannon Fang [mailto:xrfang@hotmail.com]
> Sent: Tuesday, December 03, 2002 6:22 PM
> To: ruby-talk ML
> Subject: Re: Regular expression question
>
>
> >
> >     line !~ /\(^#\)\|\(^[\s\t]*$\)/
>
> I think you just need to use ( not \(, I suppose it should be
>
> line !~ /^#|^\s*$/
>
> if you don't need to reference I think no () is needed. And \s should
> include whitespace and \t?

I replaced already it to \S so the pattern now is
\(^#\)|\(^\S*$\)

Nevertheless it doesn't work yet:-)

>
> Shannon
>
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