From: Michael McDaniel <ruby@...>
Date: 2002-04-11T03:14:04+09:00
Subject: Re: regex: how to negate sequences?

Michael McDaniel wrote:

> Tobias Reif wrote:
> 
>> Hi,
>> 
>> In
>> '-f-o>o-bar-->'
>> , I need to match the string before
>> -->
>> , which is
>> -f-o>o-bar
>>  How to?
>> 
>> irb(main):009:0> '-f-o>o-bar-->' =~ /[^-->]+/ ; puts $&
>> f
>> nil
>> 
>> I know why the above doesn't work, but I don't know how to negate a
>> sequence of characters, instead of negating sets/collections.
>> 
>> Tobi
>> 
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> one way for this specific case...
> 
> irb(main):006:0> /-->/.match("-f-o>o-bar-->").pre_match
> "-f-o>o-bar"
> irb(main):007:0>
> 
> ~mm
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I am looking at the post in KNode on KDE (SuSE Linux rel7.3) and the 
enclosing slashes '/' have disappeared from around '-->'; however, now in 
this reply I see them again!

~mm