Re: [Boost-users] regex_replace for removing words

Subject: Re: [Boost-users] regex_replace for removing words
From: John Maddock (boost.regex_at_[hidden])
Date: 2011-05-22 12:58:20

> I have some texts and I would like to remove words. Each word for  
> removing is in a std::vector<std::string> and I use a std::string for  
> separating the words on the text. My first idea is to use the  
> boost:split for splitting words of the text, in the result vector I  
> remove the words, which should be removed, and recreate the text from  
> the vector by concatination the elements. But another idea is to  
> create a regexpr with the removing word and the separators and use  
> regex_replace for removing.
> 
> Which idea is the better one or is there another way to removing word  
> of a text?

I would create a regular expression of all the words you want to remove:

\<(?:word1|word2|word3|word4)\>

Then use regex_replace with "" as the replacement string.

HTH, John.