Re: Regular Expressions

"Randall Hyde" <randyhyde@earthlink.net>
12 Oct 2004 00:51:07 -0400

          From comp.compilers
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[8 later articles]
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From: "Randall Hyde" <randyhyde@earthlink.net>
Newsgroups: comp.compilers
Date: 12 Oct 2004 00:51:07 -0400
Organization: EarthLink Inc. -- http://www.EarthLink.net
References: 04-10-069
Keywords: lex
Posted-Date: 12 Oct 2004 00:51:07 EDT

"Mark" <m_j_mather@yahoo.com.au> wrote in message


> I just can't seem to figure out how to invent a regular expression
> that will strip all HTML tags (except TABLE tags) out of a string and
> leave the rest of the text. When a TABLE tag is encountered i need to
> strip everything under it.
>
> This will strip all HTML out <[^>]*>
>
> But how do I make it also strip entire TABLE elements?
>
> Perhaps something like <table[^</table>]*</table>|<[^>]*>
>
> Thanks,
> Mark
> [That seems awfully complex for a single regex. -John]


Indeed, in general this requires a context-free grammar. I don't
understand the OP's exact problem well enough to determine if you can
get by with a regex.


Cheers,
Randy Hyde

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