From: "Jan E." <lists@...>
Date: 2012-07-06T17:06:07+09:00
Subject: Re: Management of words in a string

Hi,

Joao Silva wrote in post #1067618:
> As I can implement the above?

For large text you may use String#scan, which has the advantage of not 
collecting all words in an array like String#split does:

input_text = 'This is a sentence.'
word_count = input_text.strip.scan(/\s+/).size + 1

But like Jesus already said, this simple approach will not always work. 
If the "words" in your text may contain whitespace, then looking for 
whitespace will obviously fail. You'll have to use a dictionary in this 
case. This would also cover errors (missing or superfluous whitespace).

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