From: Peter Szinek <peter@...>
Date: 2008-11-13T20:14:15+09:00
Subject: Re: Regular expression for matching spaced letters needed

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>> please tell me, if this isn't the right place to ask.
>> I am looking for a regular expression which matches "spaced words"  
>> in a sentence like, for example, "M I L L E R" or "B u s h" and  
>> replaces them with "Miller" or "Bush".
>> I found out that sub!(/\s?([A-Z])\s([A-Z])\s([A-Z])\s([A-Z])\s([A- 
>> Z])\s?/,' \1\2\3\4\5 ') works for 4 Letters. (Analogue for any  
>> other fix number.) But I just can't figure out how to match any  
>> number and how to don't match any letters of surrounding words.
>> "A B C D E" -> "ABCDE"
>> "a b c d" -> "abcd"
>> "hello A B C test" -> "hello ABC test"
>> Think you got it. Which regexp will do the job?
>> Regards Jan

The regexp version I came up with:

 >> "A B C D E F G".scan(/\s?([A-Z])/).flatten.join('')
=> "ABCDEFG"

Cheers,
Peter
___
http://www.rubyrailways.com


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