From: Robert Klemme <shortcutter@...>
Date: 2009-08-07T00:43:30+09:00
Subject: Re: remove commas from string

2009/8/6 Jason Lillywhite <jason.lillywhite@gmail.com>:
> Steve Ross wrote:
>
>> Why so complex? Perhaps:
>>
>>  >> s.gsub(/\b(\d+),(\d+)\b/, '\1\2')
>> => "B747-400, 8357 miles, 561 mph, 56000 lbs."
>>
>> Is there a corner case I'm missing here?
>
> So I think I would like to try a non-block option but this code above
> misses the second comma if I have say 12,134,650 lbs instead of 56,000
> lbs in my string.
>
> It looks like I need Ruby 1.9 to do this: s.gsub(/(?<=\d),(?=\d{3})/,
> '')
>
> If I have not yet installed Ruby 1.9, what would be a good non-block
> regex that is more robust?

s.gsub(/(\d),(?=\d{3})/,'\\1')

Cheers

robert

-- 
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