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Thread: Re: Regex whitespace and non-word puzzler




Re: Regex whitespace and non-word puzzler
user name
2007-01-31 10:36:41
--- In perl-beginner@yahoogroups.com, merlyn...
wrote:
>
> >>>>> "hooyar66" == hooyar66 
<pcbcad...> writes:
> 
> hooyar66> I want to be able prefix all non-words
EXCEPT SPACES with 
a backslash.
> 
> you mean non-word-characters?
> 
> so the set of W without space?
> 
> That'd be [^w ], so s/([^w ])/\$1/g
> 
> Pretty simple, once you understand set arithmetic. 
> 
> 
> -- 
> Randal L. Schwartz - Stonehenge Consulting Services,
Inc. - +1 503 
777 0095
> <merlyn...> <URL:http://www.ston
ehenge.com/merlyn/>
> Perl/Unix/security consulting, Technical writing,
Comedy, etc. etc.
> See PerlTraining.Stonehenge.com for onsite and
open-enrollment Perl 
training!
>

Thanks Randal that's perfect, yes I should have stated
"non-word-
characters".

The caret ^ used to negate instead of as a 'beginning'
marker 
confused me for a while, had to RTFM 

NJH



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