Raw strings and escaping

Matthew Warren Matthew.Warren at Digica.com
Wed Oct 4 15:49:20 CEST 2006


 

> -----Original Message-----
> From: 
> python-list-bounces+matthew.warren=digica.com at python.org 
> [mailto:python-list-bounces+matthew.warren=digica.com at python.o
> rg] On Behalf Of Scott David Daniels
> Sent: 03 October 2006 18:11
> To: python-list at python.org
> Subject: Re: Raw strings and escaping
> 
> Matthew Warren wrote:
> > Hi,
> > 
> > I would expect this to work,
> > 
> > rawstring=r'some things\new things\some other things\'
> > 
> > But it fails as the last backslash escapes the single quote.
> 
> Note something many people don't when looking over the string rules:
> 
>   astring = r'some things\new things\some other things' '\\'
> 
> gives you exactly what you want, doesn't imply a string concatenation
> at run time, and various other things.  Two strings in succession are
> concatenated at source translation time.
> 
> 


Thanks for this and the other explanations.

And you hit the nail on the head with this;

>By the way, I renamed the result from being rawstring.  It 
> gives people
> bad intuitions to refer to some strings as "raw" when what you really
> mean is that the notation you are using is a "raw" notation for a
> perfectly normal string.
	
This is exactly the mistake I had made. I was assuming I was dealing
with 'raw' in this context


Matt.


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