From: Toki Toki <toki84@...>
Date: 2008-05-03T06:54:07+09:00
Subject: Re: How to search words starting with a particular char?

ThoML wrote:
>> I need to search how many words are starting with a specific character
> 
> A word border can be matched with \b.
> 
> Using split + grep:
> irb(main)> a = 'foo bar foo bar foo bar'
> irb(main)> a.split(/\b/).grep(/^f\w*/)
> => ["foo", "foo", "foo"]
> irb(main)> a.split(/\b/).grep(/^f\w*/).size
> => 3
> 
> Another solution would be to use scan:
> irb(main)> a.scan(/\bf\w*/)
> => ["foo", "foo", "foo"]
> irb(main)> a.scan(/\bf\w*/).size
> => 3

Thanks a lot for the helpful and fast answer.

Best regards.

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