From: Stefano Crocco <stefano.crocco@...>
Date: 2008-08-26T16:38:00+09:00
Subject: Re: word boundaries for regular expressions

On Tuesday 26 August 2008, Adam Akhtar wrote:
> Hi did a search for word boundaries but didnt quite find what i was
> looking for.
>
> If i have strings containing products and model numbers
>
> e.g.
> "JP-ATH Headphones JP"
>
> and I want to remove the last JP but not the one in the modle number how
> do i go about it,
>
> i tried
>
> string.gsub(/\bJP\b/, '')
> but it removes both.
> I guess the hypen in the model number doesnt count as a word letter so
> it gets knocked off.
>
> am i doing something wrong here?

You can replace the first \b with \s, which only matches spaces:

string.gsub(/\sJP\b/, '')

I hope this helps

Stefano