Re: [R] book on regular expressions

From: hadley wickham <h.wickham_at_gmail.com>
Date: Wed, 12 Dec 2007 07:27:40 -0600

> I don't think anyone has mentioned the references given on the help page
> ?regexp: they are a great deal more reliable than some of the third-party
> write-ups that have been mentioned.

They are good technical references, but I don't think they're very helpful for someone trying to learn regular expressions. For example, mastering regular expressions takes a very task based approach which is helpful if you want to learn how to match an email address or url correctly with a regular expression (harder than most people think), or to match paired brackets.

Hadley

-- 
http://had.co.nz/

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Received on Wed 12 Dec 2007 - 13:34:40 GMT

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