x?!y matches x only if it is not followed by y
x?=y matches x only if it is followed by y
These are referred to as lookahead expressions
The attached file has that function I had mentioned.
Hope this helps you,
Mike
On Wed, 25 Aug 2004 12:08:37 -0500, Mike Kelp <[EMAIL PROTECTED]> wrote:
> I wrote a cfc to do things like this a while back...I'll see if I can
> send it to you shortly.
> I wrote it for adding smiley face code and securing HTML in a forum so
> it takes a list of accepted tags and removes the rest.
>
> I know this doesn't help you a lot now, but if I can find a good
> snippet of the code for you, I will get it to you.
>
> Mike
>
>
>
>
> ----- Original Message -----
> From: Cassidy Symons <[EMAIL PROTECTED]>
> Date: Wed, 25 Aug 2004 09:51:52 -0700
> Subject: RegEx - is it possible to strip all HTML except certain tags?
> To: CF-Talk <[EMAIL PROTECTED]>
>
> I've been testing this out and can't find a way to strip all HTML except
> certain tags...is there any sort of 'not' modifier in RegEx in CF5, so I
> could do something like:
>
> <cfset mytext =
> '#REReplaceNoCase(mytext,"</?(NOT{b,i,strong,p,etc...}[^>]*>","","all")#'>
>
> Which would leave in tags that aren't really harmful. Obviously if need
> be I can just replace those tags with some sort of code (that hopefully
> doesn't happen to appear elsewhere in the text), run the RegEx function
> to strip all other HTML, then switch the codes back to HTML, but that
> seems like a rather inelegant way of going about it, not to mention slow
> if this is being done to several text fields on the same page.
>
> Can ColdFusion's RegEx functions accomplish this, or am I going to have
> to figure out a workaround?
>
> Thanks.
>
> Cassidy________________________________
>
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