From: Robert Klemme <shortcutter@...>
Date: 2006-12-28T20:30:06+09:00
Subject: Re: Strip is not stripping trailing whitespace

On 28.12.2006 09:56, William James wrote:
> Taylor Strait wrote:
>>> It couldn't have.
>>>
>>> strip removes newlines, because they are whitespace.
>>> On the other hand, neither chomp nor strip removes "\240".
>>>
>>>>> "foo  \n".strip
>>> => "foo"
>>>>> ("foo " + 0240.chr).chomp
>>> => "foo \240"
>> This is why I shouldn't code at 3:30am!  I had used chop instead, which
>> of course truncated the text in rare cases.  How can I remove \240?
>>
>> --
>> Posted via http://www.ruby-forum.com/.
> 
> Remove ASCII 128-- 255 at end of line:
> 
> irb(main):016:0> "foo\240\250 \n".strip.
> irb(main):017:0* sub(/[#{128.chr}-#{255.chr}]+$/,"")
> => "foo"

Why not combine them like this:

irb(main):007:0> s="foo\240\250 \n"
=> "foo\240\250 \n"

irb(main):015:0> s.sub /[\200-\377\s]+$/, ''
=> "foo"

Cheers

	robert