IIRC, this only works if you want the same string for both matches. I
don't think that is what Andy wanted.
--Ben Doom
Barney Boisvert wrote:
> Yeah, you can do that. Here's a simple example of it in action (using
> the backreference to match quotes). It also uses a non-greedy modifier
> in there to avoid doing an incorrect match on the apostrophe within
> the double quotes.
>
> cheers,
> barneyb
>
> <cfoutput>
> <cfset baseString = "some 'text' with ""quotes an' some apostrophes"" in it"
> />
> <h2>Quoted Strings within #baseString#</h2>
> <ul>
> <cfset start = 1 />
> <cfloop condition="true">
> <cfset result = REFind("(['""])(.*?)\1", baseString, start, true) />
> <cfif result.pos[1] LT 1>
> <cfbreak />
> </cfif>
> <cfset string = mid(baseString, result.pos[3], result.len[3]) />
> <cfset quote = mid(baseString, result.pos[2], result.len[2]) />
> <cfset start = result.pos[1] + result.len[1] />
> <li>#string# (quoted with #quote#)</li>
> </cfloop>
> </ul>
> </cfoutput>
>
>
> On Nov 8, 2007 2:16 PM, Andy Matthews <[EMAIL PROTECTED]> wrote:
>> Adam Howitt wrote a blog post asking for improvements to a regex that he
>> wrote:
>> http://tinyurl.com/yvzxjk
>>
>> This is what I came up with:
>> \(-?[\w,.]+/-?[\w,.]+\)
>>
>> But I'm wondering if it's possible to reuse the first portion of the
>> expression, rather than writing the same exact thing twice in one string. So
>> rather than this:
>>
>> \(-?[\w,.]+/-?[\w,.]+\)
>>
>> I could have this:
>>
>> \((-?[\w,.]+)/\1\)
>>
>> or something like that. I could swear that I've seen someone do this before.
>> ____________________________________
>>
>> Andy Matthews
>
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