Skinner

My RegEx is limited too, the one member I introduced to the forum who was very very good at regex was chased away and stoned like a martyre and refuses to come on the forum now.

The multiple rules allow you to determin which is it.

RewriteEngine on
RewriteRule ^search/(.*)/town/(.*)/(.*) sample.php?function=search&type=$1&town=$2&page=$3
RewriteRule ^search/(.*)/county/(.*)/(.*) sample.php?function=search&type=$1&county=$2&page= $3

Then in PHP test page and set to 0/1 if not set.

Write a rule for each one, it the 'easiest' option, I expect more advanced regex as possible but they are beyond my basic understanding of it.

Something like that may work.

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monaghan

time to "fiddle" I think

I used to use a number of complex regex's in Unix print filters piping via sed & awk about 15-20 years ago so we could share printers on the mini's with the PC's, but I'm quite rusty these days

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expertc

Why not use the simple way like:

ErrorDocument 404 /index.php

and then do the rest of coding in php? In this case variable is passed, and you can easily add extra redirections if needed. This is the way some url shortening services work, when giving <domain>/<short> redirection.

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Skinner

I'm on my not so smart phone so this may come out as more crap than usual.

If you rely on your error handler to do this, you wouldn't realistically and reliably be able to determine what was an error, what was a legit request and what was someone trying to inject.

Aside from the best practice and good form issues.

You would need php to parse and split the current path to convert it into chunks then push the pieces into variables then operate on them to determine search or show etc, then produce your page. I think i got that right its hard to tell when you can only see 50 to 70 characters at a time

A busy site would eat a shared resource server alive first in processor time then in memory.

Least thats if i understood your meaning.

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expertc

It depends on how you handle the error. You don’t need to parse (as far as I can see form the task) but simply query the path (as a single variable) against database or, if not many redirects are needed, against text file. The redirect is also stored in the database or text. So we are talking about single command, if FALSE is returned, send to 404. Not really resource-hungry in this way. Meanwhile for many redirects or possible redirects you will get quite hefty .htaccess and this will slow the system down.

P.S. If you need just 1-2 redirects, you can even "hardcode" them into index.php so no database is needed.

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Skinner

I can't see how you could not parse it when the function would accept search, view, show or whatever else so you would need to split out the function, the search function then accepts either county or town, maybe even city so you'd need to work that out. On top of this you have an optional variable of page to check.

I guess you could do like url shortening scripts do, the last one i worked on basically took the first x characters after the / ran a query then returned based on those characters but with 1000s of towns/city/counties it would call ache.

I think i'm misunderstanding what your idea is. I'm sure if you've done it, it works but i can't visualise the code or methods and not near an interpreter to try it.

My suggestion is half a dozen rewrite rules that matches each distinct set. 1 for county, 1 for city, 1 for town, 1 for view etc, with 1 test and set for page.

I'm sure you could use the or operator in regex to town||city||county etc to reduce the lines too.

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expertc

It's just fine with rewrites, not a problem. I think we probably talking about different tasks. I suggested simple handler like this (not a complete code but gives an idea):

function line_redirect($line) {
global $dbcheck;

$qry = "SELECT * FROM $dbcheck WHERE id = '$line';";
$out = mysql_query($qry) or die ("Error: Query failed");

$rows = mysql_num_rows($out);
if (($rows != 0) && (mysql_result($out, 0, "url") != "")) {

<put whatever you need here, like redirects>


}

<real 404 here>

Maybe we are talking about different redirect types?

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